-1182562domain: ZAppears in sequencesA triangle of polynomial coefficients: q(x,n)=(1 - x)^(n + 1)*Sum[(2*k + n)^n*x^k, {k, 0, Infinity}]; p(x,n)=q(x,n)+x^n*q(1/x,n).at n=29A155950A triangle of polynomial coefficients: q(x,n)=(1 - x)^(n + 1)*Sum[(2*k + n)^n*x^k, {k, 0, Infinity}]; p(x,n)=q(x,n)+x^n*q(1/x,n).at n=34A155950