Eigentriangle of triangle A022167: T(n,k) = A022167(n,k) * A125813(k).

A143777

Eigentriangle of triangle A022167: T(n,k) = A022167(n,k) * A125813(k).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =2a(6) =1a(7) =13a(8) =26a(9) =7a(10) =1a(11) =40a(12) =260a(13) =280a(14) =47a(15) =1a(16) =121a(17) =2420a(18) =8470a(19) =5687a(20) =628a(21) =1a(22) =364a(23) =22022a(24) =237160a(25) =517517a(26) =228592a(27) =17327a(28) =1a(29) =1093

External references