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.

A385423 Decimal expansion of the absolute value of zeta(1/5).

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%I A385423 #23 Aug 03 2025 03:28:18
%S A385423 7,3,3,9,2,0,9,2,4,8,9,6,3,4,0,5,9,2,2,4,3,8,0,9,6,1,3,7,5,5,1,3,6,8,
%T A385423 6,6,6,4,9,1,2,8,6,9,3,8,3,2,3,1,5,3,3,6,4,4,3,9,2,6,2,4,0,6,0,9,1,6,
%U A385423 4,9,7,8,7,4,4,6,4,1,0,8,2,5,9,3,8,5,7,5,4,9,4,3,7,9,8,5,7,3,7,6,2,6,9,7,9
%N A385423 Decimal expansion of the absolute value of zeta(1/5).
%F A385423 Equals (1/(2^(4/5)-1))*Sum_{k>=1} (-1)^(k+1)/k^(1/5).
%e A385423 0.7339209248963405922438096137551368666491286938...
%p A385423 evalf(abs(Zeta(1/5)), 120);  # _Alois P. Heinz_, Jul 26 2025
%t A385423 RealDigits[-Zeta[1/5], 10, 105][[1]]
%Y A385423 Cf. A251734, A386590.
%K A385423 nonn,cons
%O A385423 0,1
%A A385423 _Artur Jasinski_, Jul 26 2025