-28336

Appears in sequences

• Expansion of g.f. (1+x)^2*(x^2-6*x+1)/(x-1)^4.at n=22A136264
• Irregular triangle, read by rows: Coefficients of the polynomials P_n, n>=2 such that the series f(x) = c + c(x-c) + Sum_{n>=2} P_n(c)/c^((n-1)*(n+2)/2+1) (x-c)^n/n! satisfies f(c) = c and f'(f(x)) = x near the fixed point c in (0,oo).at n=54A375720