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A161494
The square roots of the terms of A161493.
2
1, 2, 3, 4, 8, 10, 12, 14, 15, 18, 21, 22, 24, 25, 26, 30, 32, 33, 36, 39, 42, 44, 45, 46, 48, 51, 56, 57, 58, 62, 64, 65, 66, 69, 70, 75, 76, 78, 80, 81, 82, 86, 87, 93, 94, 96, 99, 102, 104, 108, 111, 114, 115, 116, 118, 119, 122, 123, 124, 129, 130, 132, 133, 134, 135
OFFSET
1,2
LINKS
FORMULA
a(n) = A000196(A161493(n)).
MATHEMATICA
Select[Range[150], OddQ@Quotient[#^2, DivisorSigma[0, #^2]] &] (* Ivan Neretin, Mar 23 2017 *)
CROSSREFS
Sequence in context: A279000 A073465 A174816 * A356641 A296161 A121612
KEYWORD
nonn
AUTHOR
John W. Layman, Jun 12 2009
STATUS
approved