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A072215 a(0) = 4; for n >= 0, a(n+1) = number of partitions of a(n). 2
4, 5, 7, 15, 176, 476715857290 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

COMMENTS

a(6) is too large to include (even in a b-file).

a(6) = 26680 54494 90278 28685 82404 ... {769101 digits} ... 72432 87250 16775 65100 60652. [From Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 30 2009]

MATHEMATICA

NestList[PartitionsP, 4, 5]

CROSSREFS

Cf. A000041, A072239.

Sequence in context: A139373 A069575 * A106170 A085195 A107289 A056659

Adjacent sequences:  A072212 A072213 A072214 * A072216 A072217 A072218

KEYWORD

nonn

AUTHOR

Jeff Burch (gburch(AT)erols.com), Jul 04 2002

EXTENSIONS

Edited by N. J. A. Sloane (njas(AT)research.att.com), May 05 2007

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Last modified February 16 05:39 EST 2012. Contains 205860 sequences.