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A145912 Prime Leonardo numbers. 2

%I #20 Sep 07 2017 14:26:50

%S 3,5,41,67,109,1973,5167,2692537,11405773,126491971,331160281,

%T 535828591,279167724889,145446920496281,28944668049352441,

%U 5760134388741632239,63880869269980199809,167242286979696845953,597222253637954133837103

%N Prime Leonardo numbers.

%H Amiram Eldar, <a href="/A145912/b145912.txt">Table of n, a(n) for n = 1..50</a>

%F a(n) = A001595(A228145(n)-1). - _Amiram Eldar_, Sep 04 2017

%t A228145 = Select[Range[200], PrimeQ[2 Fibonacci[#] - 1] &]; A001595[n_] := 2*Fibonacci[n + 1] - 1; a = A001595[A228145 - 1] (* _Amiram Eldar_, Sep 04 2017 *)

%Y Cf. A001595.

%K nonn

%O 1,1

%A Howard Berman (howard_berman(AT)hotmail.com), Oct 24 2008

%E Extended by _Klaus Brockhaus_, Oct 26 2008

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)