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A337194
a(n) = 1 + A000265(sigma(n)), where A000265 gives the odd part.
14
2, 4, 2, 8, 4, 4, 2, 16, 14, 10, 4, 8, 8, 4, 4, 32, 10, 40, 6, 22, 2, 10, 4, 16, 32, 22, 6, 8, 16, 10, 2, 64, 4, 28, 4, 92, 20, 16, 8, 46, 22, 4, 12, 22, 40, 10, 4, 32, 58, 94, 10, 50, 28, 16, 10, 16, 6, 46, 16, 22, 32, 4, 14, 128, 22, 10, 18, 64, 4, 10, 10, 196, 38, 58, 32, 36, 4, 22, 6, 94, 122, 64, 22, 8, 28, 34
OFFSET
1,1
FORMULA
a(n) = 1+A000265(A000203(n)).
a(n) = A336698(n) * 2^A337195(n).
A007949(a(n)) = A337196(n).
PROG
(PARI)
A000265(n) = (n>>valuation(n, 2));
A337194(n) = (1+A000265(sigma(n)));
CROSSREFS
One more than A161942.
Sequence in context: A134066 A090988 A267584 * A343997 A278531 A366279
KEYWORD
nonn
AUTHOR
Antti Karttunen, Aug 18 2020
STATUS
approved