80325

Appears in sequences

• Fifth column (m=4) of (1,3)-Pascal triangle A095660.at n=33A095661
• Numbers n such that phi(n)=d_1!!*d_2!!*...*d_k!! where d_1 d_2 ... d_k is the decimal expansion of n.at n=32A139408
• Triangle of polynomials P(n,y) of order n in y, generated by the extension to the variable y of the e.g.f. of A259239(n), i.e., exp(y*(x-sqrt(1-x^2)+1)).at n=48A259286
• Numerator of (2^n - 1)*n! / 2^(n+1).at n=8A382709