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A147405 Number of n X n binary arrays with all ones connected only in a 1001-1001-1111 pattern in any orientation. 0
1, 1, 1, 9, 25, 61, 265, 2725, 40501, 485293, 5980517, 124941205, 4561553811, 214166188181, 10710509884487, 650335804942117 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
EXAMPLE
Maximal 8 X 8 example
.1.1.1.0.1.1.1.1
.1.0.0.0.1.0.0.1
.1.0.0.0.1.0.0.1
.1.1.1.0.0.0.0.0
.0.0.0.0.0.1.1.1
.1.0.0.1.0.0.0.1
.1.0.0.1.0.0.0.1
.1.1.1.1.0.1.1.1
CROSSREFS
Sequence in context: A147497 A147353 A049740 * A111440 A077118 A242116
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)