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 Mar22 awarded Yearling Mar15 awarded Guru Feb10 comment Expressing a sequence with two sigma notation $\NN$ does have zero. You don't need to add it. Feb10 revised Circular permutations - $n$ sitting at a round table without repeating neighbors Added more likely cause of original miscalculation. Feb10 answered Circular permutations - $n$ sitting at a round table without repeating neighbors Feb10 comment Circular permutations - $n$ sitting at a round table without repeating neighbors @0ana : 13524 and 14253 are not related by a rotation but by a reversal. Feb5 comment The discriminant of an integral binary quadratic form and the discriminant of a quadratic number field Is this something you came up by yourself ? If not, please give the source by respect of the authors. Dec21 awarded Constituent Dec12 answered zeros of Incomplet Gamma function Dec12 comment zeros of Incomplet Gamma function @TylerHG : these are not zeroes but misinterpretations of underflows. Dec11 answered Hypergeometric value Dec8 awarded Caucus Oct28 comment What does a non-mathematician need to google to learn more about latin squares in which each number in each row always has a different successor? @hcc23 : I am also interested by your opinion on my sequential solution to your experimental problem. Oct28 revised What does a non-mathematician need to google to learn more about latin squares in which each number in each row always has a different successor? error in terminology Oct28 comment What does a non-mathematician need to google to learn more about latin squares in which each number in each row always has a different successor? No you don't miss anything. You spotted a mistake in my terminology. I should have said cyclic (I will edit it), because in the Williams construction described on the H. Bruin page, this is the same array of differences from one column to the next. In fact, this property might be considered a disadvantage if there is an interaction between the properties of your operations and this sequence of difference, making this series of experimental tests not "mixed" or "unbiased" enough. Oct28 revised What does a non-mathematician need to google to learn more about latin squares in which each number in each row always has a different successor? Added another point of view for the original application of the result. Oct28 answered What does a non-mathematician need to google to learn more about latin squares in which each number in each row always has a different successor? Oct27 comment What does a non-mathematician need to google to learn more about latin squares in which each number in each row always has a different successor? Dear @hcc23, you just require that the pairs do not repeat horizontally, am I right ? You also don't need to exclude circular pairs (seeing the latin square as a cylinder or a torus) ? Oct19 answered Connections between loops (algebraic structure) and graphs Sep30 awarded Explainer