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A051589
Number of 5xn binary matrices such that any 2 rows have a common 1.
+0
4
0, 1, 63, 3367, 167835, 7803391, 339133803, 13887495007, 541044196875, 20237096702431, 732455240043243, 25820836854042847, 891331324715015115, 30260208833985800671, 1013882831306569043883, 33620617443978687281887
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.
AT&T Labs Research
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