80291

Appears in sequences

• Main diagonal of Ludic array A255127 (and A255129): a(n) = A255127(n,n).at n=41A255410
• a(n) = A293518(n) - A293519(n); how many more surviving even nodes than surviving (but not bifurcating) odd nodes there are at generation n in the binary tree of persistently squarefree numbers.at n=42A293517
• Numbers that are the sum of six fourth powers in seven or more ways.at n=21A345564
• Numbers that are the sum of six fourth powers in exactly seven ways.at n=19A345819