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A146243
Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 110-111-010 pattern in any orientation.
+0
1
1, 1, 3, 5, 11, 29, 171, 783, 4399, 33371, 348951, 4490023, 67743969, 1262306965, 30412318737, 938946971693, 36229300537639, 1709400162886171, 100764547585566691, 7519118775918147695, 708647258526428184031
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Maintained by
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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.
AT&T Labs Research
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