Triangle of coefficients of g.f. a*(1+x)^n + b*(1-x)^(n+2)*polylog(-n-1, x)/x + 2^n*c*(1-x)^(n+1)*LerchPhi(x, -n, 1/2), with a = -1, b = 1, c = 1.

A168523

Triangle of coefficients of g.f. a*(1+x)^n + b*(1-x)^(n+2)*polylog(-n-1, x)/x + 2^n*c*(1-x)^(n+1)*LerchPhi(x, -n, 1/2), with a = -1, b = 1, c = 1.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =8a(5) =1a(6) =1a(7) =31a(8) =31a(9) =1a(10) =1a(11) =98a(12) =290a(13) =98a(14) =1a(15) =1a(16) =289a(17) =1974a(18) =1974a(19) =289a(20) =1a(21) =1a(22) =836a(23) =11719a(24) =25944a(25) =11719a(26) =836a(27) =1a(28) =1a(29) =2419

External references