Antidiagonal sums of triangle A097186, in which the n-th row polynomial R_n(y) is formed from the initial (n+1) terms of g.f. A057083(y)^(n+1), where R_n(1/3) = 3^n for all n>=0.
A097187
Antidiagonal sums of triangle A097186, in which the n-th row polynomial R_n(y) is formed from the initial (n+1) terms of g.f. A057083(y)^(n+1), where R_n(1/3) = 3^n for all n>=0.
Terms
- a(0) =1a(1) =1a(2) =7a(3) =10a(4) =58a(5) =94a(6) =499a(7) =868a(8) =4360a(9) =7951a(10) =38407a(11) =72508a(12) =339997a(13) =659380a(14) =3019639a(15) =5984968a(16) =26880052a(17) =54249628a(18) =239683171a(19) =491235070a(20) =2139947788a(21) =4444675456a(22) =19125212575a(23) =40190140696a(24) =171064560433a(25) =363227946394
External references
- oeis: A097187