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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A159224 Number of nXn arrays of squares of integers with every 3X3 subblock summing to 22 0
8064, 90436, 494688, 1872036, 9707736, 38145532, 130478400, 614554684, 2439608184, 8983583172 (list; graph; refs; listen; history; internal format)
OFFSET

3,1

CROSSREFS

Sequence in context: A157663 A109486 A032780 * A013378 A013458 A172775

Adjacent sequences:  A159221 A159222 A159223 * A159225 A159226 A159227

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net) Apr 06 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 17:13 EST 2012. Contains 205828 sequences.