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 A371752 #5 Apr 08 2024 05:17:36
%S A371752 3,9,6,6,6,7,7,3,5,0,2,9,0,5,8,9,6,0,7,9,2,3,1,1,9,0,7,7,9,2,0,8,2,1,
%T A371752 8,7,5,6,3,0,6,9,8,6,7,2,0,2,1,6,8,0,7,6,6,1,9,7,3,1,1,3,3,5,6,1,7,4,
%U A371752 1,8,5,0,9,1,2,4,6,6,0,9,4,9,2,0,7,6,7,6,8,6,2,4,8,1,3,3,9,6,0,2
%N A371752 Decimal expansion of Product_{k>=0} 1 / (1 + 1/5^k).
%e A371752 0.39666773502905896079231190779208218756...
%t A371752 RealDigits[1/QPochhammer[-1, 1/5], 10, 100][[1]]
%Y A371752 Cf. A000351, A083864, A100222, A371746, A371749, A371750, A371751.
%K A371752 nonn,cons
%O A371752 0,1
%A A371752 _Ilya Gutkovskiy_, Apr 05 2024