0,5

The fact that A239836(n) is a multiple of n! follows from a general result in group theory due to Solomon.

Table of n, a(n) for n=0..16.

L. Solomon, The solutions of equations in groups, Arch. Math., V.20. no.3, (1969) 241-247.

a(n) = A239836(n)/n!.

Cf. A239836.

Sequence in context: A123648 A244393 A286929 * A129632 A016028 A239551

Adjacent sequences: A255522 A255523 A255524 * A255526 A255527 A255528

nonn,more

Paul Boddington, Feb 24 2015

approved