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A162194 Sum of divisors of nonprime number A018252(n). +0
3
1, 7, 12, 15, 13, 18, 28, 24, 24, 31, 39, 42, 32, 36, 60, 31, 42, 40, 56, 72, 63, 48, 54, 48, 91, 60, 56, 90, 96, 84, 78, 72, 124, 57, 93, 72, 98, 120, 72, 120, 80, 90, 168, 96, 104, 127, 84, 144, 126, 96, 144, 195, 114, 124, 140, 96, 168, 186, 121, 126, 224, 108, 132 (list; graph; listen)
OFFSET

1,2

COMMENT

Also, 1 together the numbers A073255.

FORMULA

a(n) = A000203(A018252(n)).

CROSSREFS

Cf. A000203, A018252, A073255, A162194, A162195.

Sequence in context: A153245 A062730 A073255 this_sequence A145310 A072834 A138615

Adjacent sequences: A162191 A162192 A162193 this_sequence A162195 A162196 A162197

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Jul 04 2009

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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