17116009

Properties

Appears in sequences

• Generalized Euler numbers. Square array A(n,k), n >= 1, k >= 0, read by antidiagonals. A(n,k) = n-alternating permutations of length n*k.at n=39A181985
• n-alternating permutations of length 3n.at n=5A211213
• Number of permutations p of [n] such that p(i) > p(i+1) iff i == 0 (mod 6).at n=18A250283
• Prime numbersat n=1098312