Third diagonal of A008970 (after A000111 and A000708).

A091303

Third diagonal of A008970 (after A000111 and A000708).

Terms

    a(0) =1a(1) =14a(2) =118a(3) =926a(4) =7311a(5) =59982a(6) =517496a(7) =4717222a(8) =45484301a(9) =463683670a(10) =4991117034a(11) =56630860638a(12) =676055834971

External references