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Nonprimes k that divide (Fibonacci(k^2)-1).
1

%I #15 Aug 29 2021 11:59:43

%S 1,33,161,231,323,341,377,451,671,903,1057,1079,1189,1271,1443,1551,

%T 1819,1891,2033,2047,2059,2211,2407,2419,2501,2717,2737,2743,2849,

%U 2911,3289,3439,3653,3689,3827,4181,4577,4807,4879,4991

%N Nonprimes k that divide (Fibonacci(k^2)-1).

%H Giovanni Resta, <a href="/A086504/b086504.txt">Table of n, a(n) for n = 1..1000</a>

%K nonn

%O 1,2

%A _Benoit Cloitre_, Sep 09 2003

%E More terms from _Don Reble_, Sep 16 2003