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 A214207 #13 Mar 31 2017 00:36:34 %S A214207 1,2,3,4,5,8,9,11,12,17,19,20,24,25,35,36,40,41,49,51,72,73,81,83,99, %T A214207 100,104,145,147,163,164,168,200,201,209,292,296,328,329,337,401,403, %U A214207 419,420,585,593,657,659,675,676,804,808,840,841,1171,1187,1188,1316,1320,1352,1353,1609,1617,1681,1683,2344,2376,2377,2633,2641,2705,2707,3219,3235 %N A214207 Replace the terms of A213975 with their ranks in A007931. %C A214207 Created with the hope of obtaining a better understanding of A213975. It would be interesting if this sequence or A214208 had an alternative definition. %H A214207 Alois P. Heinz, <a href="/A214207/b214207.txt">Table of n, a(n) for n = 1..10010</a> %e A214207 A213975(10)=1121, which is A007931(17), so a(10)=17. %Y A214207 Cf. A213975, A007931, A214208, A214209. %K A214207 nonn %O A214207 1,2 %A A214207 _N. J. A. Sloane_, Jul 09 2012