1117670400

Appears in sequences

• a(n) = (n-1)! * sigma(n).at n=11A038048
• Expansion of e.g.f.: (1-x^3)/(1-x-x^3).at n=11A052586
• Triangle of generalized Stirling numbers S_{3,2}(n,k) read by rows (n>=1, 2<=k<=2n).at n=37A078740
• a(n) = n!*A063019(n).at n=10A292751
• Number of anti-run permutations of the prime indices of Mersenne numbers A000225(n) = 2^n - 1.at n=59A335432
• a(n) = Product_{k=1..A003056(n)} prime(k)^T(n,k), with row n of T = row n of A237591.at n=18A348642