77679
domain: N
Appears in sequences
- Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+x+y>0.at n=27A211545
- Numbers n such that n and n+1 both have 20 divisors.at n=14A274361
- First differences of A293230: how many more alive nodes there are in generation n+1 than in generation n in the binary tree of persistently squarefree numbers.at n=40A293440