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A163409
Subsequence of composite terms of A008475.
1
4, 8, 9, 9, 8, 16, 9, 10, 25, 15, 27, 10, 32, 14, 12, 21, 16, 12, 15, 14, 25, 49, 27, 20, 16, 15, 22, 12, 33, 16, 64, 18, 16, 21, 26, 14, 39, 28, 18, 18, 21, 81, 14, 22, 45, 32, 16, 20, 27, 34, 49, 24, 35, 51, 20, 22, 21, 15, 55, 18, 40, 24, 28, 33, 22, 24, 16, 121, 63, 44, 35, 125, 18, 128, 46, 20
OFFSET
1,1
FORMULA
a(n) = A008475(A163408(n)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Jul 27 2009
EXTENSIONS
More terms from Max Alekseyev, Oct 14 2012
STATUS
approved