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A109376 Numbers n such that n * (sum of the digits of n raised to their own power) + 1 is prime and sets a new record for number of digits. 0

%I #6 Dec 15 2017 17:36:53

%S 1,11,20,33,35,36,75,79,390,1991,9199,91899,699949,5299999,39999999

%N Numbers n such that n * (sum of the digits of n raised to their own power) + 1 is prime and sets a new record for number of digits.

%Y Cf. A109372.

%K base,more,nonn

%O 1,2

%A _Jason Earls_, Aug 25 2005

%E a(15) from _Owen Whitby_, Sep 11 2013

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Last modified March 28 07:48 EDT 2024. Contains 371235 sequences. (Running on oeis4.)