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 A377559 #5 Nov 01 2024 23:46:14
%S A377559 1,0,0,5,9,1,2,1,4,4,4,5,7,7,4,3,7,3,2,2,3,6,7,9,2,3,6,0,1,4,7,0,0,1,
%T A377559 4,4,8,2,5,4,9,3,6,1,1,2,0,6,4,0,2,4,5,8,2,4,7,0,3,3,3,9,6,5,0,7,1,0,
%U A377559 0,0,5,7,4,8,0,7,3,9,3,4,6,2,0,2,7,7,4,1,1,7,8,1,0,7,3,1,2,0,3,6
%N A377559 Decimal expansion of Sum_{k>=0} 1/(5*k + 1)^3.
%H A377559 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. 32.
%F A377559 Equals -psi''(1/5)/250 (see Shamos).
%e A377559 1.00591214445774373223679236014700144825493611206...
%t A377559 RealDigits[-PolyGamma[2,1/5]/250,10,100][[1]]
%Y A377559 Cf. A016861, A016863, A233091, A377557, A377558, A377560.
%K A377559 nonn,cons
%O A377559 1,4
%A A377559 _Stefano Spezia_, Nov 01 2024