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A159360 Number of n X n arrays of squares of integers with every (n-1) X (n-1) subblock summing to 5. 1
32, 1062, 59616, 1086094, 10042272, 61124544, 280188272, 1045829432, 3339944928, 9435994838, 24147340800, 56953687086, 125443556992, 260657649336, 515094590448, 974349778400, 1773602460704, 3120448646646, 5325900683168 (list; graph; refs; listen; history; text; internal format)
OFFSET
3,1
LINKS
FORMULA
Empirical G.f.: 2*x^3*(-16 - 355*x - 24847*x^2 - 241724*x^3 - 604724*x^4 - 446879*x^5 - 67579*x^6 + 9004*x^7 + 940*x^8 + 8*x^9)/(-1+x)^11. - Vaclav Kotesovec, Nov 30 2012
CROSSREFS
Sequence in context: A041481 A158685 A265021 * A249392 A114933 A038097
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 11 2009
STATUS
approved

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Last modified May 27 03:56 EDT 2024. Contains 372847 sequences. (Running on oeis4.)