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A146090
Number of n X n arrays of squares of integers with every (n-1)X(n-1) subblock summing to 4 and every element equal to at least one neighbor.
1
1, 93, 538, 1532, 3630, 7540, 14138, 24480, 39802, 61520, 91230, 130708, 181910, 246972, 328210, 428120, 549378, 694840, 867542, 1070700, 1307710, 1582148, 1897770, 2258512, 2668490, 3132000, 3653518, 4237700, 4889382, 5613580
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OFFSET
3,2
LINKS
Table of n, a(n) for n=3..32.
CROSSREFS
Sequence in context: A045235 A116240 A193248 * A160174 A238693 A160250
Adjacent sequences: A146087 A146088 A146089 * A146091 A146092 A146093
KEYWORD
nonn
AUTHOR
R. H. Hardin Apr 14 2009
STATUS
approved

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Last modified October 5 01:23 EDT 2024. Contains 376527 sequences.
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