A159426 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 30

176, 256076, 1963814320, 13210514775232, 78005783884913704, 343956478492640532304, 1029704788841867209051576, 1943809831450257030930136960

Offset

3,1

Links

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

Crossrefs

Sequence in context: A284073 A298250 A184293 * A009722 A159442 A046189

Adjacent sequences: A159423 A159424 A159425 * A159427 A159428 A159429

Keyword

nonn

Author

R. H. Hardin Apr 11 2009

Status

approved