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 A269362 #7 Mar 20 2016 12:53:12 %S A269362 1,2,2,3,3,4,5,6,6,6,7,7,8,9,9,10,10,11,12,13,14,15,16,17,18,18,19,20, %T A269362 21,21,21,22,22,22,23,24,25,26,27,27,27,28,29,30,30,31,32,32,32,32,33, %U A269362 33,34,35,36,37,38,39,40,41,41,42,43,44,44,45,45,45,46,46,47,48,49,50,51,52,53,53,54,54,55,56,57 %N A269362 Least monotonic left inverse of A269389. %C A269362 a(n) = number of terms of A269389 <= n. %H A269362 Antti Karttunen, <a href="/A269362/b269362.txt">Table of n, a(n) for n = 1..10000</a> %F A269362 a(n) = A269849(6+n) - 6. %F A269362 Other identities. For all n >= 1: %F A269362 a(A269389(n)) = n. %o A269362 (Scheme, with _Antti Karttunen_'s IntSeq-library) %o A269362 (define A269362 (LEFTINV-LEASTMONO 1 1 A269389)) %Y A269362 Cf. A269389, A269849. %Y A269362 Cf. also A270193, A270199. %K A269362 nonn %O A269362 1,2 %A A269362 _Antti Karttunen_, Mar 16 2016