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 A022002 #22 Jul 08 2025 09:13:58 %S A022002 0,0,1,0,0,2,0,0,4,0,0,8,0,1,6,0,3,2,0,6,4,1,2,8,2,5,6,5,1,3,0,2,6,0, %T A022002 5,2,1,0,4,2,0,8,4,1,6,8,3,3,6,6,7,3,3,4,6,6,9,3,3,8,6,7,7,3,5,4,7,0, %U A022002 9,4,1,8,8,3,7,6,7,5,3,5,0,7,0,1,4,0,2,8,0,5,6,1,1,2,2,2,4,4,4 %N A022002 Decimal expansion of 1/998. %C A022002 Generalization: %C A022002 1/8 = sum (2^i/10^(i+1)), i >= 0, %C A022002 1/98 = sum (2^i/100^(i+1)), i >= 0, %C A022002 1/998 = sum (2^i/1000^(i+1)), i >= 0, (this sequence) %C A022002 1/9998 = sum (2^i/10000^(i+1)), i >= 0, ... - _Daniel Forgues_, Oct 28 2011 %H A022002 Mario Raso, <a href="https://hdl.handle.net/11573/1732819">Integer Sequences in Cryptography: A New Generalized Family and its Application</a>, Ph. D. Thesis, Sapienza University of Rome (Italy 2025). See p. 9. %Y A022002 Cf. A020821 (1/8), , A021102 (1/98), A236799 (1/9998). %K A022002 nonn,cons %O A022002 0,6 %A A022002 _N. J. A. Sloane_