91693

Appears in sequences

• Cardinality of the permutation (k, k-1, ..., 2, 1)(n, n-1, ..., k+1) in an exchange shuffle applied in all n^n possible ways to (1,2,...,n).at n=10A013560
• Expansion of g.f. 1/((1-6*x)*(1-9*x)*(1-11*x)).at n=4A020606
• Numbers k such that 9*10^k + 23 is prime.at n=20A294636