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A115386 a(1) = 1. For n >= 2, a(n) = sum of the two (not necessarily distinct) earlier terms, a(j) and a(k), which maximizes d(a(j)+a(k)), where d(m) is the number of positive divisors of m. a(n) = the maximum (a(j)+a(k)) if more than one such sum has the maximum number of divisors. +0
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1, 2, 4, 8, 12, 24, 48, 96, 120, 240, 480, 720, 1440, 2880, 5760, 8640, 10080, 20160, 40320, 60480, 120960, 241920, 302400, 604800, 665280, 1330560, 2661120, 3326400, 6652800, 13305600, 26611200, 39916800, 43243200, 86486400, 172972800 (list; graph; listen)
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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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