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 = -2, b = 2, c = 1.

A168524

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 = -2, b = 2, c = 1.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =10a(5) =1a(6) =1a(7) =39a(8) =39a(9) =1a(10) =1a(11) =120a(12) =350a(13) =120a(14) =1a(15) =1a(16) =341a(17) =2266a(18) =2266a(19) =341a(20) =1a(21) =1a(22) =950a(23) =12895a(24) =28340a(25) =12895a(26) =950a(27) =1a(28) =1a(29) =2659

External references