91998

Appears in sequences

• Number of n X 5 binary matrices under row and column permutations and column complementations.at n=9A056204
• Number of length n 1..(4+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.at n=11A254214
• 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=74A304482
• Number of n-element subsets of [3n] whose elements sum to a multiple of n.at n=8A318431