Expansion of g.f. (1/2)*( a*(1+x)^n + b*(1-x)^(n+2)*LerchPhi(x, -n-1, 1) + c*2^(n+1)*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), where a = 31, b = -59, and c = 15, read by rows.

A168549

Expansion of g.f. (1/2)*( a*(1+x)^n + b*(1-x)^(n+2)*LerchPhi(x, -n-1, 1) + c*2^(n+1)*(1-x)^(n+1)*LerchPhi(x, -n, 1/2) ), where a = 31, b = -59, and c = 15, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =67a(8) =67a(9) =1a(10) =1a(11) =435a(12) =1596a(13) =435a(14) =1a(15) =1a(16) =1951a(17) =16476a(18) =16476a(19) =1951a(20) =1a(21) =1a(22) =7383a(23) =123243a(24) =282258a(25) =123243a(26) =7383a(27) =1a(28) =1a(29) =25507

External references