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.

A078089 Continued fraction expansion of Product_{p prime >= 3} (1 - 1/(p^2-p-1)).

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%I A078089 #9 Jul 05 2024 16:03:27
%S A078089 0,1,2,1,1,16,1,2,5,4,1,43,9,1,3,1,4,2,2,1,2,1,78,1,50,3,1,1,1,2,2,6,
%T A078089 11,4,1,1,2,1,2,2,1,4,2,6,8,1,2,1,1,1,1,1,3,4,1,1,1,7,1,1,154,1,1,1,1,
%U A078089 3,1,12,1,1,1,3,1,1,5,1,2,1,3,4,1,3,1,1,1,4,2,2,10,8,3,9,1,1,1
%N A078089 Continued fraction expansion of Product_{p prime >= 3} (1 - 1/(p^2-p-1)).
%o A078089 (PARI) contfrac(prodeulerrat(1 - 1/(p^2-p-1), 1, 3)) \\ _Amiram Eldar_, Mar 15 2021
%Y A078089 Cf. A065479 (decimal expansion).
%K A078089 nonn,cofr
%O A078089 0,3
%A A078089 _Benoit Cloitre_, Dec 02 2002
%E A078089 Offset changed by _Andrew Howroyd_, Jul 05 2024