A015902 - OEIS

A015902

Numbers k such that k | 10^k + 10.

1, 2, 5, 10, 22, 70, 110, 130, 154, 190, 286, 365, 685, 910, 2002, 2794, 2926, 6526, 9730, 15862, 17290, 24130, 50005, 59158, 60346, 68926, 72010, 131326, 163306, 278278, 313045, 478126, 525790, 552370, 618046, 642874, 883246

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OFFSET

1,2

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..250

MATHEMATICA

Select[Range[10^5], Mod[PowerMod[10, #, #] + 10, #] == 0 &] (* Giovanni Resta, Oct 23 2018 *)

CROSSREFS

Cf. A006517, A015888, A015889, A015891, A015892, A015893, A015897, A015898, A015903, A015904, A015905, A015906.

Sequence in context: A038149 A046745 A198950 * A301427 A300275 A226455

Adjacent sequences: A015899 A015900 A015901 * A015903 A015904 A015905

KEYWORD

nonn

AUTHOR

Robert G. Wilson v

EXTENSIONS

Missing a(2)-a(3) from Giovanni Resta, Oct 23 2018

STATUS

approved