98900

Appears in sequences

• a(n) = n^5 - n^3 - n^2.at n=10A133070
• Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 11.at n=4A154084
• Monotonic ordering of set S generated by these rules: if x and y are in S then 3xy-x-y is in S, and 2 is in S.at n=29A192529
• Number A(n,k) of n-element subsets of [k*n] whose elements sum to a multiple of n. Square array A(n,k) with n, k >= 0 read by antidiagonals.at n=72A304482
• Number of n-element subsets of [5n] whose elements sum to a multiple of n.at n=6A318433