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A023175 Numbers k such that Fib(k) == 3 (mod k). 0

%I

%S 1,2,4,76,124,196,244,316,374,436,556,604,724,796,844,916,964,1084,

%T 1324,1396,1516,1636,1684,1756,1768,1804,1996,2164,2284,2404,2476,

%U 2524,2644,2764,2836,2956,3004,3076,3244,3316,3436,3676,3964,4036,4084,4156,4204

%N Numbers k such that Fib(k) == 3 (mod k).

%t Select[Table[{p,Fibonacci[p]},{p,4500}],Mod[Last[#]-3,First[#]]==0&][[All,1]] (* _Harvey P. Dale_, Sep 22 2021 *)

%K nonn

%O 1,2

%A _David W. Wilson_

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Last modified May 26 01:21 EDT 2022. Contains 354073 sequences. (Running on oeis4.)