

A014962


Odd numbers n such that n divides 25^n  1.


0



1, 3, 9, 21, 27, 63, 81, 93, 147, 171, 189, 243, 279, 441, 513, 567, 609, 651, 729, 837, 903, 1029, 1197, 1323, 1539, 1701, 1827, 1953, 2187, 2511, 2667, 2709, 2883, 2943, 3087, 3249, 3591, 3969, 4263, 4401, 4557, 4617, 5103, 5301, 5481, 5859, 6321
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OFFSET

1,2


COMMENTS

Also, numbers n such that n divides s(n), where s(1)=1, s(k)=s(k1)+k*25^(k1). Equivalently, numbers n that divide ((24*n  1)*25^n + 1) / 24^2 (cf. A014943).


LINKS

Table of n, a(n) for n=1..47.


CROSSREFS

Cf. A014945, A014946, A014949, A014950, A014951, A014956, A014957, A128358, A128360, A014959, A014960.
Sequence in context: A244972 A044055 A029542 * A014945 A045590 A242740
Adjacent sequences: A014959 A014960 A014961 * A014963 A014964 A014965


KEYWORD

nonn


AUTHOR

Olivier Gérard


EXTENSIONS

Edited by Max Alekseyev, Nov 16 2019


STATUS

approved



