Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A156392
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A156392 Number of 7X7 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n. +0
1
1, 20, 132, 294, 440, 270, 1414, 635, 1716, 2096, 5108, 9108, 3066, 3096, 9216, 2952, 9131, 8172, 21624, 39000, 31638, 11364, 31206, 14100, 32236, 18704, 64560, 102762, 51947, 50136, 38544, 49526, 74688, 37944, 138156, 259560, 175374, 76680, 182640 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A126488 A005551 A006417 this_sequence A168178 A085284 A105573

Adjacent sequences: A156389 A156390 A156391 this_sequence A156393 A156394 A156395

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 21 10:15 EST 2009. Contains 171081 sequences.


AT&T Labs Research