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Comment from Eric Weisstein, Oct 10, 2003: A048974, A052147, A067187 and A088685 are very similar after dropping terms less than 13.
Table of n, a(n) for n=1..60.
Eric Weisstein's World of Mathematics, Sum of Prime Factors
Cf. A001414, A048974, A052147, A067187, A088686.
Sequence in context: A079445 A120173 A075862 * A022299 A099049 A217128
Adjacent sequences: A088682 A088683 A088684 * A088686 A088687 A088688
Eric W. Weisstein, Oct 05, 2003