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A014953 Numbers n such that n divides s(n), where s(1)=1, s(k)=s(k-1)+k*13^(k-1). 0
1, 3, 9, 27, 81, 183, 243, 549, 729, 1647, 2187, 4941, 6561, 11163, 14823, 19683, 33489, 44469, 59049, 67161, 100467, 133407, 177147, 201483, 301401, 400221, 531441, 604449, 680943, 736941, 870897, 904203, 1063611, 1200663, 1406721 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..35.

MATHEMATICA

s[1]=1; s[n_]:=s[n]=s[n-1]+n*13^(n-1); Select[Range[1000], Divisible[s[#], #] &] (* Amiram Eldar, Nov 23 2018 *)

CROSSREFS

Cf. A014928.

Sequence in context: A248960 A006521 A289257 * A274627 A080557 A022014

Adjacent sequences:  A014950 A014951 A014952 * A014954 A014955 A014956

KEYWORD

nonn

AUTHOR

Olivier Gérard

EXTENSIONS

More terms from Sean A. Irvine, Nov 23 2018

STATUS

approved

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Last modified April 21 10:03 EDT 2019. Contains 322328 sequences. (Running on oeis4.)