581280

Appears in sequences

• Number of nondecreasing arrangements of 8 numbers in -(n+6)..(n+6) with sum zero and not more than two numbers equal.at n=8A188241
• Triangle read by rows: T(n,k) (1 <= k <= n) = Steffensen's bracket function [n,n-k].at n=50A241168
• Numbers k such that k=(a+b)*c=a*b+c for more than one triple (a,b,c) with 1<c<a<=b.at n=17A329169