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 A383647 #12 May 06 2025 16:20:49
%S A383647 0,7,6,9,9,4,8,6,6,9,1,0,1,3,2,5,1,3,9,1,8,6,4,5,8,7,4,5,0,3,3,9,0,2,
%T A383647 0,6,0,6,3,7,0,8,5,1,3,9,0,2,2,8,6,9,7,0,3,8,6,2,6,0,2,6,6,0,3,9,8,0,
%U A383647 2,4,7,0,0,6,6,6,3,9,4,0,1,8,6,8,0,4,2,8,6,4,4,7,1,4,6,7,8,6,7,9,2
%N A383647 Decimal expansion of 15/(2*Pi^4).
%D A383647 G. H. Hardy, Ramanujan: twelve lectures on subjects suggested by his life and work, Cambridge, University Press, 1940, p. 64.
%H A383647 Jakub Buczak, <a href="/A383647/b383647.txt">Table of n, a(n) for n = 0..10000</a>
%H A383647 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>.
%F A383647 Equals Sum_{n > 0} 1/A030059(n)^4.
%F A383647 Equals 10/A151927. - _Hugo Pfoertner_, May 03 2025
%e A383647 0.07699486691013251391864587450339020606370851390...
%t A383647 Join[{0},RealDigits[15/(2Pi^4),10,100][[1]]]
%Y A383647 Cf. A030059, A082020, A088245, A088246, A092425, A151927.
%K A383647 nonn,cons
%O A383647 0,2
%A A383647 _Stefano Spezia_, May 03 2025