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A045606 Numbers k that divide 10^k + 7^k. 0

%I

%S 1,17,289,4063,4913,69071,83521,971057,1174207,1419857,1545589,

%T 16507969,19961519,24137569,26275013,232082623,271342117,280635473,

%U 339345823,369395771,410338673,415616459,446675221,3945404591

%N Numbers k that divide 10^k + 7^k.

%K nonn

%O 1,2

%A _David W. Wilson_

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Last modified January 17 04:46 EST 2022. Contains 350378 sequences. (Running on oeis4.)