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40 views

General term of this sequence

I wanted to know the General term or the function to generate this sequence I found on OEIS. It is the number of ways to express 2n+1 as p+2q; where p and q can be odd prime number and even semiprime ...
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58 views

Knapsack like problem for product of distinct primes

While looking into ways of generating certain kinds of pseudo-random number sequences I came up with the issue of finding the maximum of products of distict primes with a sum less than N. I'm ...
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3answers
188 views

Finite or infinite set?

Due to my not-so-advanced math skills, this question may take a few attempts to state clearly: Consider the unordered pair (2-tuple) partitions of n (e.g. with n=4, we have {{4,0},{3,1},{2,2}}). ...