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A129318
a(n) = sopfr(A129316(n)), where sopfr(x) is the sum of the prime factors of x, counting multiplicity.
5
5, 6, 8, 18, 15, 15, 17, 39, 29, 86, 23, 35, 25, 22, 33, 68, 26, 31, 46, 32, 37, 24, 35, 23, 45, 100, 78, 51, 39, 45, 44, 33, 35, 45, 98, 34, 45, 141, 147, 67, 25, 43, 236, 25, 29, 75, 150, 29, 76, 125, 160, 26, 121, 122, 73, 37, 52, 56, 40, 39, 54, 58, 239, 69, 36, 39
OFFSET
1,1
LINKS
EXAMPLE
a(6)=15 since sopfr(A129316(6))=sopfr(160)=sopfr(2^5*5)=15.
KEYWORD
easy,nonn
AUTHOR
Walter Kehowski, Apr 09 2007, corrected Apr 09 2007
STATUS
approved