login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A156512 Number of n X n arrays of squares of integers, symmetric about main diagonal, with all rows summing to 50. 0
3, 22, 474, 21676, 6117690, 8086830378, 27448134968478, 351300513333271976 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
LINKS
CROSSREFS
Sequence in context: A271849 A271850 A364844 * A119770 A272659 A233748
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 09 2009
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 17 10:03 EDT 2024. Contains 374375 sequences. (Running on oeis4.)