A180723 p(p(p(n))), p = partition numbers A000041.

1, 1, 2, 3, 15, 176, 526823, 476715857290, 26041797385576000582369625213281, 6351070249807989850498698507055571178433293739297826225785529996796553557739865

Offset

0,3

Links

Table of n, a(n) for n=0..9.

Formula

a(n) = p(p(p(n))), where p = partition numbers A000041.

a(n) = A000041(A000041(A000041(n))) = A000041(A058699(n)).

Crossrefs

Cf. A000041 (p(n)), A058699 (p(p(n))).

Sequence in context: A091835 A131612 A297421 * A162102 A087975 A162103

Adjacent sequences: A180720 A180721 A180722 * A180724 A180725 A180726

Keyword

nonn

Author

Jonathan Vos Post, Jan 21 2011

Status

approved