Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A156391
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A156391 Number of 7X7 arrays of squares of integers, symmetric about main diagonal, with all rows summing to n. +0
1
1, 232, 6912, 35150, 42354, 44124, 425674, 804511, 446508, 638012, 4465916, 5291400, 2246390, 3026820, 18106164, 25432912, 12496449, 5934606, 46859304, 91441740, 47944020, 17647254, 123856526, 218810112, 102258544, 46559350 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A126818 A064715 A153466 this_sequence A125850 A139673 A151629

Adjacent sequences: A156388 A156389 A156390 this_sequence A156392 A156393 A156394

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Feb 09 2009

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 5 08:23 EST 2009. Contains 170348 sequences.

AT&T Labs Research

Legal Notice
© 2009 AT&T Intellectual Property. All Rights Reserved.