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 A384627 #10 Jun 05 2025 09:52:26 %S A384627 0,0,0,0,0,1,0,0,2,0,0,3,0,0,4,0,0,5,0,0,6,0,0,7,0,0,8,0,0,9,0,1,0,0, %T A384627 1,1,0,1,2,0,1,3,0,1,4,0,1,5,0,1,6,0,1,7,0,1,8,0,1,9,0,2,0,0,2,1,0,2, %U A384627 2,0,2,3,0,2,4,0,2,5,0,2,6,0,2,7,0,2,8,0,2,9 %N A384627 Decimal expansion of 1/998001. %C A384627 The decimals of this constant contain every 3-digit number, from 000 to 999, in order, except for 998. %C A384627 Periodic with period 2997. %H A384627 Paolo Xausa, <a href="/A384627/b384627.txt">Table of n, a(n) for n = 0..10000</a> %H A384627 Brady Haran and James Grime, <a href="https://www.youtube.com/watch?v=daro6K6mym8">998,001 and its Mysterious Recurring Decimals</a>, YouTube Numberphile video, 2012. %F A384627 Equals 1/(999^2). %e A384627 0.0000010020030040050060070080090100110120130140150160170... %t A384627 First[RealDigits[1/999^2, 10, 100, -1]] %Y A384627 Cf. A021085, A034948. %K A384627 nonn,cons,easy %O A384627 0,9 %A A384627 _Paolo Xausa_, Jun 05 2025