A249675 Multinomial coefficient (2+3+...+prime(n); 2,3,5,7,...,prime(n)) = A007504(n)! / A111180(n).
1, 10, 2520, 49008960, 1052427228652800, 18543848132205515927808000, 3663312848979081767807855264321333760000, 1860046674511129497317809046448809961990598435124736000000, 46250563343969315569958487234182581699417368835772148395100189090556723200000000
Offset: 1
Keywords
Programs
-
Maple
a := n -> add(ithprime(k),k=1..n)!/mul(ithprime(k)!,k=1..n); seq(a(n),n=0..9); # Peter Luschny, Nov 04 2014
-
PARI
a(n) = my(d=1,t=0); forprime(p=2,prime(n),d*=p!;t+=p);t!\d