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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A156403 Number of 10X10 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n. 0
1, 312, 13290, 156128, 709332, 1578064, 4220548, 17605696, 42440517, 56568904, 102471151, 332810880, 624439948, 662224128, 977782336, 2727888448, 4701559354, 4686068520, 5468265896, 13526490400, 23873894500, 23882769984, 23258023832 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..22.

CROSSREFS

Sequence in context: A233934 A289793 A022044 * A296527 A107508 A015704

Adjacent sequences:  A156400 A156401 A156402 * A156404 A156405 A156406

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 19 10:32 EDT 2019. Contains 324219 sequences. (Running on oeis4.)