cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A036972 Numbers k such that the k-th prime is a Fibonacci number reversed.

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%I A036972 #19 May 10 2024 19:06:00
%S A036972 1,2,3,11,14,137,1005,5324,6486,33326,1847020051726,
%T A036972 19899051754834984670
%N A036972 Numbers k such that the k-th prime is a Fibonacci number reversed.
%C A036972 More terms could be obtained from A036971.
%C A036972 The next reversed Fibonacci number which is a prime number is 940647607443258103531. The next term in the sequence would be the prime index for that prime. - _Harvey P. Dale_, Jun 02 2009
%H A036972 Kim Walisch, <a href="https://github.com/kimwalisch/primecount">Fast C++ prime counting function implementation (primecount)</a>.
%t A036972 Sort[PrimePi/@(Select[FromDigits[Reverse[IntegerDigits[ # ]]]&/@Fibonacci[Range[90]],PrimeQ])] (* _Harvey P. Dale_, Jun 02 2009 *)
%Y A036972 Cf. A036797, A036971.
%K A036972 nonn,more,base
%O A036972 1,2
%A A036972 _N. J. A. Sloane_, _G. L. Honaker, Jr._
%E A036972 One additional term from _Harvey P. Dale_, Jun 02 2009
%E A036972 Offset corrected and a(12) added using Kim Walisch's primecount by _Amiram Eldar_, May 06 2024