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May
21
answered Triangular Array's Recursive Formula Breakdown
Apr
17
answered Transitivity of a stochastic order
Mar
21
answered What are the properties of the positive real numbers pair $(a,b)$ for which $a b \geq a + b$?
Mar
20
answered Beta-PERT distribution shape parameters division by zero?
Mar
14
answered Prime Numbers: 6k-1 mod rule (New Discovery?)
Mar
6
answered $n$th derivative of $\frac 1{f(x)}$
Feb
20
answered Defining a new operation (From the International Mathematical Tournament of the Towns)
Feb
4
answered Of fibonomials, pellonomials, and tribonomials, etc
Jan
30
answered A digraph is a graph where every edge is directed. How many digraphs on $n$ vertices are there?
Jan
28
answered Street Fighter: is the game balanced?
Jan
16
answered 6 lamp at the circumcircle
Jan
2
answered How to denote sum over partitions?
Dec
21
answered Generalized Dyck words with alphabet of size $k$
Nov
27
answered Explicit formula for Nth string of Gray Code.
Oct
31
answered Maximum absolute value of polynomial coefficients
Oct
20
answered Question on data compression
Oct
15
answered Number of unlabeled simple graphs with $n$ nodes even for all $ n\ge 5$?
Oct
10
answered Counting all possible board positions in Quoridor
Oct
6
answered How to prove 2 is a primitive root mod 37, without calculating all powers of 2 mod 37?
Sep
12
answered Partial sums of Nicomachus' Triangle rows produce Stirling numbers of the 2nd kind?