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A146722 Number of n X n binary arrays with all ones connected only in a 1101-0111 pattern in any orientation. 0
1, 1, 1, 25, 197, 1531, 31791, 876801, 39890653, 2918403939, 324467879601 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
EXAMPLE
Maximal 8 X 8 example
.1.1.1.0.1.1.0.1
.1.0.1.1.0.1.1.1
.0.0.0.0.0.0.0.0
.1.1.0.1.0.1.1.0
.0.1.0.1.1.1.0.1
.1.1.0.0.0.0.1.1
.1.0.1.1.1.0.1.0
.0.1.1.0.1.0.1.1
CROSSREFS
Sequence in context: A017222 A271535 A146738 * A042210 A220677 A125362
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)