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A008955 Triangle of central factorial numbers t(2n,2n-2k) read by rows. +0
27
1, 1, 1, 1, 5, 4, 1, 14, 49, 36, 1, 30, 273, 820, 576, 1, 55, 1023, 7645, 21076, 14400, 1, 91, 3003, 44473, 296296, 773136, 518400, 1, 140, 7462, 191620, 2475473, 15291640, 38402064, 25401600, 1, 204, 16422, 669188, 14739153, 173721912 (list; table; graph; listen)
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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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