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 A186327 #4 Mar 30 2012 18:57:18 %S A186327 1,4,7,10,13,15,18,21,23,26,29,32,34,37,40,43,45,48,51,54,56,59,62,64, %T A186327 67,70,73,75,78,81,84,86,89,92,95,97,100,103,105,108,111,114,116,119, %U A186327 122,125,127,130,133,136,138,141,144,146,149,152,155,157,160,163,166,168,171,174,177,179,182,185,187,190,193,196,198,201,204,207,209,212,215,217,220,223 %N A186327 Adjusted joint rank sequence of (f(i)) and (g(j)) with f(i) after g(j) when f(i)=g(j), where f and g are the squares and octagonal numbers. Complement of A186326. %e A186327 First, write %e A186327 1..4...9..16....25..36....49..64... (squares) %e A186327 1....8.......21........40........65. (octagonal) %e A186327 Replace each number by its rank, where ties are settled by ranking the square number after the octagonal: %e A186327 a=(2,3,5,6,8,9,11,12,14,...)=A186326 %e A186327 b=(1,4,7,10,13,15,18,21,...)=A186327. %t A186327 (See A186326.) %Y A186327 Cf. A186324, A186325, A186326. %K A186327 nonn %O A186327 1,2 %A A186327 _Clark Kimberling_, Feb 17 2011