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A159418 Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 26 0
158, 156088, 782302608, 3066495867520, 9917936135748078, 22642585048896872004, 33345615473419595766868, 29642647961073636476540672, 15336838587010185012371837454, 4623468899613300617710624955144 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..12.

CROSSREFS

Sequence in context: A250996 A280483 A252359 * A159434 A287798 A303811

Adjacent sequences:  A159415 A159416 A159417 * A159419 A159420 A159421

KEYWORD

nonn

AUTHOR

R. H. Hardin Apr 11 2009

STATUS

approved

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Last modified April 18 15:04 EDT 2021. Contains 343089 sequences. (Running on oeis4.)