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A120576 Irregular array where the n-th row are the divisors, not occurring earlier in the sequence, of the sum of the terms in all previous rows. a(1)=2. +0
4
2, 1, 3, 6, 4, 12, 7, 14, 28, 11, 77, 5, 15, 33, 55, 165, 73, 146, 219, 438, 9, 18, 657, 1314, 8, 16, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 1847, 12929, 5541, 9235, 27705, 19, 38, 3694, 35093, 70186, 487, 974 (list; graph; listen)
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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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