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A014876 Numbers n such that n divides s(n), where s(1)=1, s(k)=25*s(k-1)+k. 1
1, 3, 5, 9, 15, 21, 25, 27, 45, 55, 63, 75, 81, 93, 105, 135, 147, 165, 171, 189, 225, 243, 275, 279, 315, 355, 405, 441, 465, 495, 513, 525, 567, 605, 609, 651, 675, 729, 735, 825, 837, 855, 903, 915, 945, 1029, 1065, 1155, 1197, 1215, 1265, 1323, 1395 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..500

MATHEMATICA

nxt[{n_, a_}]:={n+1, 25a+n+1}; Flatten[Position[NestList[nxt, {1, 1}, 400], _?(Divisible[Last[#], First[#]]&), {1}, Heads->False]] (* Harvey P. Dale, Oct 15 2013 *)

CROSSREFS

Sequence in context: A018685 A107994 A014957 * A045602 A029470 A182185

Adjacent sequences:  A014873 A014874 A014875 * A014877 A014878 A014879

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Olivier Gérard

STATUS

approved

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Last modified May 22 21:02 EDT 2019. Contains 323499 sequences. (Running on oeis4.)