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A014872 Numbers n such that n divides s(n), where s(1)=1, s(k)=21*s(k-1)+k. 0
1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 301, 375, 525, 625, 875, 903, 1389, 1505, 1875, 2625, 3125, 3165, 4375, 4417, 4515, 6945, 7525, 9375, 9723, 11325, 12943, 13125, 13251, 15625, 15825, 21875, 22085, 22155, 22575, 23233, 31375 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..43.

CROSSREFS

Sequence in context: A029460 A277910 A029466 * A018501 A014865 A018617

Adjacent sequences:  A014869 A014870 A014871 * A014873 A014874 A014875

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Olivier Gérard

STATUS

approved

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Last modified October 18 14:11 EDT 2019. Contains 328161 sequences. (Running on oeis4.)