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A057532 n is odd and sum of digits of n equals the numbers of divisors of n. 8
1, 11, 101, 225, 301, 441, 525, 1003, 1111, 1425, 1521, 1575, 1911, 2015, 2101, 2325, 2475, 2541, 2601, 2925, 3225, 3311, 3825, 4275, 4301, 4851, 5025, 5175, 5445, 5733, 5775, 6075, 6321, 6525, 7315, 7605, 7623, 8325, 8925, 9225, 9555, 10003, 10021 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range[1, 10^4, 2], Plus @@ IntegerDigits[#] == DivisorSigma[0, #] &] (* Giovanni Resta, Apr 24 2017 *)

CROSSREFS

Cf. A000005, A007953, A033950, A057531.

Sequence in context: A174884 A121402 A156307 * A193699 A001603 A113403

Adjacent sequences:  A057529 A057530 A057531 * A057533 A057534 A057535

KEYWORD

nonn,easy,base

AUTHOR

Asher Auel (asher.auel(AT)reed.edu) Sep 03 2000

STATUS

approved

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Last modified May 30 06:51 EDT 2017. Contains 287302 sequences.