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A076252 omega(n) = omega(n-1) + omega(n-2) + omega(n-3), where omega(n) is the number of distinct prime factors of n. +0
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2310, 3990, 4290, 6090, 6270, 10010, 11550, 12810, 13650, 17094, 17940, 18270, 19380, 21930, 22110, 22770, 23100, 24990, 25410, 27300, 28644, 30090, 32214, 32604, 34034, 34314, 35340, 35880, 37310, 38190, 38570, 38640, 39270, 39780 (list; graph; listen)
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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.


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