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 A371750 #10 Sep 04 2025 03:06:15
%S A371750 1,3,1,5,2,1,3,5,5,5,7,3,5,3,4,5,2,1,9,3,0,8,0,9,4,5,8,5,1,0,0,9,6,1,
%T A371750 7,8,4,4,0,1,4,7,9,8,3,6,1,2,3,8,1,3,1,5,3,4,7,8,8,0,1,3,6,3,3,5,1,5,
%U A371750 3,3,6,7,1,7,5,1,3,5,9,4,5,3,1,7,0,7,1,7,1,4,8,6,2,3,3,2,8,1,8,0
%N A371750 Decimal expansion of Product_{k>=1} 1 / (1 - 1/5^k).
%H A371750 Kelvin Voskuijl, <a href="/A371750/b371750.txt">Table of n, a(n) for n = 1..20000</a>
%F A371750 Equals 1 / A100222.
%e A371750 1.3152135557353452193080945851009617844...
%t A371750 RealDigits[1/QPochhammer[1/5, 1/5], 10, 100][[1]]
%Y A371750 Cf. A000351, A065446, A100222, A370466, A371747, A371751, A371752.
%K A371750 nonn,cons,changed
%O A371750 1,2
%A A371750 _Ilya Gutkovskiy_, Apr 05 2024