A159422 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 28

24, 263232, 1182707656, 6522780262013, 28728417429350400, 92007442287861486964, 195166952509759287101592, 255412080389569135205029872

Offset

3,1

Links

Table of n, a(n) for n=3..10.

Crossrefs

Sequence in context: A287964 A173172 A061526 * A028371 A013774 A364206

Adjacent sequences: A159419 A159420 A159421 * A159423 A159424 A159425

Keyword

nonn

Author

R. H. Hardin Apr 11 2009

Status

approved