A091303 Third diagonal of A008970 (after A000111 and A000708).

1, 14, 118, 926, 7311, 59982, 517496, 4717222, 45484301, 463683670, 4991117034, 56630860638, 676055834971, 8475491147678, 111376106002732, 1531384454297174, 21993657178539321, 329402210042157606

Offset: 1

Author

N. J. A. Sloane, Feb 21 2004

Keywords

• nonn
• easy

Extensions

More terms from David Wasserman, Feb 28 2006