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Search: id:A133793
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A133793 Number of n X n binary matrices with every element adjacent to some 0 horizontally or vertically. +0
1
9, 161, 11236, 3270375, 3416753209, 13057656650476, 183641258024619409, 9467975365082755623313, 1790666611784474236947695716, 1242439796942800308861023912760955 (list; graph; listen)
OFFSET

2,1

CROSSREFS

Sequence in context: A062232 A020523 A023039 this_sequence A084874 A133681 A051232

Adjacent sequences: A133790 A133791 A133792 this_sequence A133794 A133795 A133796

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net), Jan 05 2008

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Last modified December 4 21:35 EST 2008. Contains 151309 sequences.


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