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 A165765 #3 Jul 14 2012 11:32:31 %S A165765 1,14,36,68,237,263,790,709,1111,1931,1520,2350,3981,4028,4450,4875, %T A165765 3605,8208,9373,7437,11325,18708,15225,16525,21777,13921,31975,36641, %U A165765 35608,38913,33628,46533,66817,28337,42896,76805,64813,57483,100212 %N A165765 Index of first occurrence of n in A165633. %F A165765 A165764(n) = min { k | A165633(k)=n } %e A165765 a(7)>a(8) since the minimal size for which there are exactly 7 tatami free rooms is larger than the minimal size for which there are exactly 8 tatami free rooms. %K A165765 nonn %O A165765 1,2 %A A165765 _M. F. Hasler_, Sep 26 2009