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.
%I A384425 #12 Jun 16 2025 00:46:46
%S A384425 1,0,0,0,0,1,1,5,5,1,5,6,1,2,7,1,7,5,2,1,6,1,8,6,8,4,2,7,6,0,8,2,0,3,
%T A384425 5,0,0,1,4,1,1,9,2,6,8,3,3,5,9,1,8,9,3,1,5,7,0,5,8,9,6,8,8,6,6,2,3,1,
%U A384425 7,3,1,3,8,4,1,9,5,9,4,5,9,4,1,5,3,9,9,4,6,1,0,2,2,2,8,5,6,0,4,6
%N A384425 Decimal expansion of Sum_{k>=1} (-1)^(k+1)/(6k-5)^7 + (-1)^(k-1)/(6k-1)^7.
%H A384425 Jason Bard, <a href="/A384425/b384425.txt">Table of n, a(n) for n = 1..10000</a>
%H A384425 Michael I. Shamos, <a href="http://euro.ecom.cmu.edu/people/faculty/mshamos/cat.pdf">A catalog of the real numbers</a>, (2007). See p. 20 (note misprint should be "+" in the sum expression).
%H A384425 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A384425 Equals 33367*Pi^7/100776960.
%e A384425 1.0000115515612717521618684276082035001411926833591...
%t A384425 RealDigits[33367*Pi^7/100776960, 10, 1000][[1]]
%Y A384425 Cf. A013665, A092735, A143298.
%K A384425 nonn,cons
%O A384425 1,8
%A A384425 _Jason Bard_, Jun 14 2025