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A085961 Sigma of the least numbers for which the sigma is divisible by n (where sigma is the sum of the divisors of n, A000203(n)). 0
1, 4, 3, 4, 15, 6, 7, 8, 18, 20, 44, 12, 13, 28, 15, 32, 68, 18, 38, 20, 42, 44, 138, 24, 150, 78, 54, 28, 174, 60, 31, 32, 132, 68, 140, 36, 74, 38, 39, 40, 164, 42, 258, 44, 90, 138, 282, 48, 98, 150, 102, 104, 212, 54, 110, 56, 57, 174, 354, 60, 183, 124, 63, 128, 195 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..65.

FORMULA

a(n) = A000203(A070982(n)).

CROSSREFS

Cf. A070982, A000203, A066678.

Sequence in context: A244954 A060374 A074296 * A175325 A223525 A205446

Adjacent sequences:  A085958 A085959 A085960 * A085962 A085963 A085964

KEYWORD

nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Aug 17 2003

EXTENSIONS

More terms from John W. Layman, Aug 19 2003

STATUS

approved

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Last modified November 17 00:08 EST 2019. Contains 329209 sequences. (Running on oeis4.)