The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A001156 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A001156

Number of partitions of n into squares.
(history; published version)

#112 by Alois P. Heinz at Fri Oct 27 19:13:15 EDT 2023

STATUS

reviewed

approved

#111 by Andrew Howroyd at Fri Oct 27 19:09:22 EDT 2023

STATUS

proposed

reviewed

#110 by Jon E. Schoenfield at Fri Oct 27 18:58:53 EDT 2023

STATUS

editing

proposed

#109 by Jon E. Schoenfield at Fri Oct 27 18:58:48 EDT 2023

LINKS

T. D. Noe and Alois P. Heinz, <a href="/A001156/b001156.txt">Table of n, a(n) for n = 0..10000</a> (first 1001 terms from T. D. Noe)

FORMULA

G.f.: Product_{m>=1} 1/(1-x^(m^2)).

a(n) = (1/n)*Sum_{k=1..n} A035316(k)*a(n-k). - Vladeta Jovovic, Nov 20 2002

STATUS

approved

editing

#108 by Charles R Greathouse IV at Thu Sep 08 08:44:28 EDT 2022

PROG

(MAGMAMagma) m:=70; R<x>:=PowerSeriesRing(Integers(), m); Coefficients(R!( (&*[1/(1-x^(k^2)): k in [1..(m+2)]]) )); // G. C. Greubel, Nov 11 2018

Discussion

Thu Sep 08

08:44

OEIS Server: https://oeis.org/edit/global/2944

#107 by Bruno Berselli at Mon Feb 22 09:12:01 EST 2021

STATUS

proposed

approved

#106 by R. J. Mathar at Mon Feb 22 08:59:51 EST 2021

STATUS

editing

proposed

#105 by R. J. Mathar at Mon Feb 22 08:59:31 EST 2021

CROSSREFS

Euler trans. of A010052 (see also A308297).

STATUS

approved

editing

#104 by Alois P. Heinz at Sat Mar 09 18:37:40 EST 2019

STATUS

proposed

approved

#103 by Gus Wiseman at Sat Mar 09 15:25:43 EST 2019

STATUS

editing

proposed