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A159405 Number of nXn arrays of squares of integers summing to 20 +0
1
18, 7326, 2995908, 1455763635, 622097389872, 206307703531587, 47588288640846912, 7046841590377578801, 653092799056599247740, 39121901776525814650965, 1603648230996545513760708 (list; graph; listen)
OFFSET

2,1

LINKS

R. H. Hardin, Table of n, a(n) for n=2..100

CROSSREFS

Sequence in context: A036214 A058976 A013723 this_sequence A060617 A153301 A129042

Adjacent sequences: A159402 A159403 A159404 this_sequence A159406 A159407 A159408

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Apr 11 2009

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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