a(n) = 1 + integer log of n: if the prime factorization of n is n = Product (p_j^k_j) then a(n) = 1 + Sum (p_j * k_j) (cf. A001414).
1, 3, 4, 5, 6, 6, 8, 7, 7, 8, 12, 8, 14, 10, 9, 9, 18, 9, 20, 10, 11, 14, 24, 10, 11, 16, 10
4 seqfan posts
Fri Jun 1 22:01:26 CEST 2012 [seqfan] Re: new sequences needing more terms
Fri Jun 1 21:37:51 CEST 2012 [seqfan] Re: new sequences needing more terms
Thu May 31 00:03:53 CEST 2012 [seqfan] Re: new sequences needing more terms
Wed May 30 17:24:05 CEST 2012 [seqfan] new sequences needing more terms
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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