90080

Appears in sequences

• a(n) = floor(n^m) where m = Sum_{k=1..n} (1/k).at n=21A067038
• Triangle read by rows: Take a pentagram with all diagonals drawn, as in A331906. Then T(n,k) = number of k-sided polygons in that figure for k = 3, 4, ..., n+2.at n=33A331907