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 = -1, b = 1, and c = 1, read by rows.

A168517

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 = -1, b = 1, and c = 1, read by rows.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =1a(7) =27a(8) =27a(9) =1a(10) =1a(11) =87a(12) =260a(13) =87a(14) =1a(15) =1a(16) =263a(17) =1828a(18) =1828a(19) =263a(20) =1a(21) =1a(22) =779a(23) =11131a(24) =24746a(25) =11131a(26) =779a(27) =1a(28) =1a(29) =2299

External references