129168

Appears in sequences

• Quintuple factorial numbers: Product_{k=0..n-1} (5*k+3).at n=5A047056
• Quintuple factorials, 5-factorials, n!!!!!, n!5.at n=23A085157
• Triangle T(n, k) = Product_{j=0..k} (j*n + prime(m)), with T(n, 0) = prime(m) and m = 2, read by rows.at n=19A153270
• E.g.f.: exp(2 * (x + x^2 / 2 + x^3 / 3)).at n=8A324591
• a(n) = (2+n)*(2*a(n-1) - (n-2)*a(n-2)) with a(0)=a(1)=1.at n=6A361528