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A001255 Squares of partition numbers. +0
2
1, 1, 4, 9, 25, 49, 121, 225, 484, 900, 1764, 3136, 5929, 10201, 18225, 30976, 53361, 88209, 148225, 240100, 393129, 627264, 1004004, 1575025, 2480625, 3833764, 5934096, 9060100, 13823524, 20839225, 31404816, 46812964, 69705801, 102880449 (list; graph; listen)
OFFSET

0,3

FORMULA

a(n) = A000041(n)^2.

MAPLE

seq(numbpart(k)^2, k=0..33) ; - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Jun 06 2007

MATHEMATICA

Table[ PartitionsP[n]^2, {n, 0, 33}] (*Chandler*)

CROSSREFS

Cf. A000041.

Sequence in context: A158182 A158183 A158184 this_sequence A133019 A028866 A146981

Adjacent sequences: A001252 A001253 A001254 this_sequence A001256 A001257 A001258

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 14 2005

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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