A396567 Main diagonal of A396498.

1, 1, 10, 237, 10136, 681830, 66282252, 8788976735, 1524243696544, 334865856398004, 90881673885795860, 29858122626266304359, 11677994976873021545256, 5361720126339948538293594, 2855546302556932759342139236, 1746070156439166014654366213055, 1214894731067294065531422431608448

Offset

0,3

Links

Alois P. Heinz, Table of n, a(n) for n = 0..232

Formula

a(n) = A396498(n,n).

Maple

b:= proc(n, k) option remember; `if`(k=0, 1-signum(n), add(
      (j+1)*(n+1)^(n-j-1)*binomial(n, j)*b(j, k-1), j=0..n))
    end:
a:= n-> b(n$2):
seq(a(n), n=0..16);

Crossrefs

Main diagonal of A396498.

Sequence in context: A188679 A167867 A268080 * A096331 A159497 A177595

Adjacent sequences: A396563 A396564 A396566 * A396568 A396569 A396570

Keyword

nonn

Author

Alois P. Heinz, May 29 2026

Status

approved