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A147418 Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 1001-1111-0110 pattern in any orientation. 0
1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 6, 3, 13, 9, 46 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,8
LINKS
EXAMPLE
Maximal 8 X 8 example
.0.0.1.0.0.1.0.0
.0.0.1.1.1.1.0.0
.1.1.0.1.1.0.1.1
.0.1.1.0.0.1.1.0
.0.1.1.0.0.1.1.0
.1.1.0.1.1.0.1.1
.0.0.1.1.1.1.0.0
.0.0.1.0.0.1.0.0
CROSSREFS
Sequence in context: A328612 A243824 A146938 * A146386 A305098 A128099
KEYWORD
nonn,more
AUTHOR
STATUS
approved

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Last modified March 28 16:28 EDT 2024. Contains 371254 sequences. (Running on oeis4.)