A181244 - OEIS

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A181244

Number of nX9 binary matrices with no 2X2 circuit having pattern 0101 in any orientation

1

512, 102010, 22512862, 4914052362, 1074033301458, 234710735573170, 51292751478532550, 11209291140160525086, 2449629600675855540670, 535331352762077895206878, 116988976006831708160421286

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 9 of A181245

LINKS

R. H. Hardin, Table of n, a(n) for n=1..200

CROSSREFS

Sequence in context: A187461 A291461 A328200 * A181252 A016749 A144323

Adjacent sequences: A181241 A181242 A181243 * A181245 A181246 A181247

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 10 2010

STATUS

approved