A111411 f(f(n+1))-f(f(n)), where f(m) = partition(m) = A000041(m).

0, 1, 1, 4, 8, 41, 120, 826, 4602, 47570, 473649, 10093040, 203861263, 8821354950, 467680021214, 51343335981422, 7427745026671872, 2637938775610253117, 1315874983271581469522, 1773440184382265096424766, 4023316751814245493054773044, 26037772294065481552999203782248

Offset

0,4

Links

Table of n, a(n) for n=0..21.

Crossrefs

Sequence in context: A162076 A137047 A137052 * A137054 A338423 A163343

Adjacent sequences: A111408 A111409 A111410 * A111412 A111413 A111414

Keyword

nonn

Author

N. J. A. Sloane, Nov 12 2005

Extensions

Definition corrected by N. J. A. Sloane, Feb 14 2018

Status

approved