login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A156461 Number of nXn arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 14. 0
48, 36, 2952, 9216, 881382, 5913728, 977782336, 18737188768, 6632080108308, 286675559366712, 164256548772296153 (list; graph; refs; listen; history; internal format)
OFFSET

4,1

CROSSREFS

Sequence in context: A136455 A085517 A033694 * A187940 A187932 A165869

Adjacent sequences:  A156458 A156459 A156460 * A156462 A156463 A156464

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Feb 09 2009

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 14:32 EST 2012. Contains 205816 sequences.