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 A165730 #8 Dec 26 2023 04:29:42 %S A165730 4,10,33,68,207,415,1038,2440 %N A165730 Number of distinct rate points of concentric permutation source codes with three initial codewords in dimension n. %H A165730 H. Q. Nguyen, L. R. Varshney, and V. K. Goyal, <a href="http://arxiv.org/abs/0909.0704">Concentric Permutation Source Codes</a>, arXiv:0909.0704 [cs.IT], 2009-2010. %Y A165730 Cf. A070289, (number of distinct rate points of an ordinary permutation source code), A165729, A165731. %K A165730 nonn,more %O A165730 2,1 %A A165730 Vivek Goyal (vgoyal(AT)mit.edu), Sep 25 2009