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A292338 Numbers k such that k^2 divides 13^k + 1. 1
1, 7, 203, 11977, 154553, 353423, 4482037, 9904979, 20851957, 69262991, 264440183, 6824905927, 7803226417, 17244568439, 47773414171, 57280493557, 120586867331, 197922271883, 218692031341, 249815987281, 409580786629, 460390358603, 802768833013, 963574941161, 1003238606531, 1146808373599, 1385429010959, 1529257578289 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Max Alekseyev, Table of n, a(n) for n = 1..51

CROSSREFS

Subsequence of A015963.

Cf. A128393, A177813.

Sequence in context: A128680 A292332 A177813 * A216456 A243144 A234619

Adjacent sequences:  A292335 A292336 A292337 * A292339 A292340 A292341

KEYWORD

nonn

AUTHOR

Max Alekseyev, Sep 16 2017

STATUS

approved

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Last modified May 29 08:14 EDT 2022. Contains 354124 sequences. (Running on oeis4.)