Triangular sequence defined by T(n, m) = Coefficients(q(x,n) + x^(n-2)*q(1/x,n))/4, where q(x, n) = d^2*p(x, n)/dx^2 and p(x, n) = 2^n*(1-x)^(n+1)*LerchPhi(x, -n, 1/2).
A154706
Triangular sequence defined by T(n, m) = Coefficients(q(x,n) + x^(n-2)*q(1/x,n))/4, where q(x, n) = d^2*p(x, n)/dx^2 and p(x, n) = 2^n*(1-x)^(n+1)*LerchPhi(x, -n, 1/2).
Terms
- a(0) =1a(1) =13a(2) =13a(3) =118a(4) =228a(5) =118a(6) =846a(7) =3234a(8) =3234a(9) =846a(10) =5279a(11) =38932a(12) =63258a(13) =38932a(14) =5279a(15) =30339a(16) =405927a(17) =1082454a(18) =1082454a(19) =405927a(20) =30339a(21) =165820a(22) =3796728a(23) =16512132a(24) =24852880a(25) =16512132a(26) =3796728a(27) =165820a(28) =878188a(29) =32837380
External references
- oeis: A154706