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Search: id:A145013
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A145013 One quarter of the number of n X n nonnegative integer arrays with every 2 X 2 subblock summing to 3. +0
1
5, 26, 79, 293, 779, 2555, 6475, 20111, 50195, 151991 (list; graph; listen)
OFFSET

2,1

CROSSREFS

Sequence in context: A048395 A081886 A081530 this_sequence A096943 A166810 A079909

Adjacent sequences: A145010 A145011 A145012 this_sequence A145014 A145015 A145016

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Sep 29 2008

EXTENSIONS

Changed positive to nonnegative, added n X n. - Ron Hardin (rhhardin(AT)att.net), Sep 30 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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