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A074385 Square root of sum of divisors, when it is a square. 1
1, 2, 6, 12, 12, 11, 12, 12, 12, 18, 24, 18, 16, 18, 24, 24, 24, 20, 24, 24, 28, 24, 24, 31, 30, 24, 36, 24, 24, 36, 32, 28, 36, 36, 30, 36, 36, 42, 36, 42, 32, 48, 36, 48, 42, 42, 40, 42, 60, 56, 48, 48, 42, 36, 62, 36, 36, 48, 40, 60, 48, 42, 48, 40, 48, 60, 48, 56, 60, 48 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

a(n)=Sqrt[A000203[A006532(n)]]

CROSSREFS

Cf. A000203, A006532.

Sequence in context: A069491 A127698 A130503 * A057340 A092427 A058198

Adjacent sequences:  A074382 A074383 A074384 * A074386 A074387 A074388

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Aug 22 2002

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Last modified February 17 15:44 EST 2012. Contains 206050 sequences.