A triangle of polynomial coefficients: q(x,n)=(-1)^(n + 1)*(x - 1)^(3*n + 1)*Sum[(Binomial[m, n]* Binomial[m + 1, n + 1]/(m - n + 1))*(2*m + 1)^n*x^ m, {m, 0, Infinity}]/(x^n); p(x,n)=q(x,n)+x^n*q(1/x,n).
A155948
A triangle of polynomial coefficients: q(x,n)=(-1)^(n + 1)*(x - 1)^(3*n + 1)*Sum[(Binomial[m, n]* Binomial[m + 1, n + 1]/(m - n + 1))*(2*m + 1)^n*x^ m, {m, 0, Infinity}]/(x^n); p(x,n)=q(x,n)+x^n*q(1/x,n).
Terms
- a(0) =2a(1) =6a(2) =6a(3) =34a(4) =206a(5) =206a(6) =34a(7) =370a(8) =4840a(9) =14950a(10) =14950a(11) =4840a(12) =370a(13) =6642a(14) =142644a(15) =792216a(16) =1719618a(17) =1719618a(18) =792216a(19) =142644a(20) =6642a(21) =161294a(22) =5282074a(23) =45682504a(24) =158295424a(25) =274902544a(26) =274902544a(27) =158295424a(28) =45682504a(29) =5282074
External references
- oeis: A155948