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A015902 Numbers k such that k | 10^k + 10. 11
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
MATHEMATICA
Select[Range[10^5], Mod[PowerMod[10, #, #] + 10, #] == 0 &] (* Giovanni Resta, Oct 23 2018 *)
CROSSREFS
Sequence in context: A038149 A046745 A198950 * A301427 A300275 A226455
KEYWORD
nonn
AUTHOR
EXTENSIONS
Missing a(2)-a(3) from Giovanni Resta, Oct 23 2018
STATUS
approved

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Last modified March 28 04:55 EDT 2024. Contains 371235 sequences. (Running on oeis4.)