A233448 Compositorial(n) mod n!, that is, A036691(n) mod A000142(n).

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25401600, 174182400, 1437004800, 46942156800, 301771008000, 0, 188305108992000, 5272543051776000, 30128817438720000, 964122158039040000, 24517325190758400000, 118315866081853440000, 16505063318418554880000, 283958078596448256000000

Offset

1,11

Comments

The sequence of numbers k such that a(k) > a(k+1) begins: 15, 81, 135, 337, 57517, ...

Links

Table of n, a(n) for n=1..24.

Prog

(PARI) a(n)=my(c, p, N); N=n; c=4; p=1; while(n>0, if(!isprime(c), p=p*c; n=n-1); c=c+1); p%N! \\ Ralf Stephan, Dec 21 2013

Crossrefs

Cf. A000142, A036691.

Sequence in context: A204778 A172795 A056915 * A112130 A334373 A120702

Adjacent sequences: A233445 A233446 A233447 * A233449 A233450 A233451

Keyword

nonn

Author

Alex Ratushnyak, Dec 10 2013

Status

approved