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 A371749 #9 Apr 06 2024 07:57:59
%S A371749 3,6,8,7,5,6,1,2,7,0,7,6,9,0,0,5,6,2,7,5,0,8,4,5,6,7,2,2,8,0,8,1,9,9,
%T A371749 1,5,4,8,2,3,4,5,1,7,9,9,3,7,7,2,5,5,6,2,1,4,5,7,1,2,5,1,8,3,4,8,2,0,
%U A371749 1,5,2,5,6,3,3,8,8,4,1,8,4,1,2,8,9,5,9,5,4,3,5,4,4,3,4,5,0,1,1,3
%N A371749 Decimal expansion of Product_{k>=0} 1 / (1 + 1/4^k).
%F A371749 Equals A273413^2. - _Hugo Pfoertner_, Apr 05 2024
%e A371749 0.368756127076900562750845672280819915482...
%t A371749 RealDigits[1/QPochhammer[-1, 1/4], 10, 100][[1]]
%Y A371749 Cf. A000302, A083864, A100221, A273413, A371746, A371747, A371748, A371752.
%K A371749 nonn,cons
%O A371749 0,1
%A A371749 _Ilya Gutkovskiy_, Apr 05 2024