p-INVERT of the triangular numbers (A000217), where p(S) = 1 - S - S^2.

A289797

p-INVERT of the triangular numbers (A000217), where p(S) = 1 - S - S^2.

Terms

    a(0) =1a(1) =5a(2) =21a(3) =84a(4) =330a(5) =1291a(6) =5052a(7) =19784a(8) =77500a(9) =303608a(10) =1189372a(11) =4659245a(12) =18252027a(13) =71500068a(14) =280092848a(15) =1097230105a(16) =4298267549a(17) =16837948391a(18) =65960645632a(19) =258392925744

External references