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A047920 Triangular array formed from successive differences of factorial numbers. +0
12
1, 1, 0, 2, 1, 1, 6, 4, 3, 2, 24, 18, 14, 11, 9, 120, 96, 78, 64, 53, 44, 720, 600, 504, 426, 362, 309, 265, 5040, 4320, 3720, 3216, 2790, 2428, 2119, 1854, 40320, 35280, 30960, 27240, 24024, 21234, 18806, 16687, 14833, 362880, 322560 (list; table; graph; listen)
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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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