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 A186318 #4 Mar 30 2012 18:57:18 %S A186318 1,4,6,9,11,14,16,18,21,23,26,28,31,33,35,38,40,43,45,47,50,52,55,57, %T A186318 59,62,64,67,69,72,74,76,79,81,84,86,88,91,93,96,98,101,103,105,108, %U A186318 110,113,115,117,120,122,125,127,130,132,134,137,139,142,144,146,149,151,154,156,158,161,163,166,168,171,173,175,178,180,183,185,187,190,192,195,197,200 %N A186318 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 hexagonal numbers. Complement of A186317. %e A186318 First, write %e A186318 1..4...9...16..25....36....49. (squares) %e A186318 1....6...15.......28....45.... (hexagonal) %e A186318 Replace each number by its rank, where ties are settled by ranking the square number after the hexagonal: %e A186318 a=(2,3,5,7,8,10,12,13,...)=A186317. %e A186318 b=(1,4,6,9,11,14,16,18,...)=A186318. %t A186318 (See A186317.) %Y A186318 Cf. A186315, A186316, A186318. %K A186318 nonn %O A186318 1,2 %A A186318 _Clark Kimberling_, Feb 17 2011