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 A186226 #4 Mar 30 2012 18:57:18 %S A186226 1,4,7,10,12,15,18,21,23,26,29,31,34,37,40,42,45,48,51,53,56,59,62,64, %T A186226 67,70,72,75,78,81,83,86,89,92,94,97,100,103,105,108,111,113,116,119, %U A186226 122,124,127,130,133,135,138,141,144,146,149,152,154,157,160,163,165,168,171,174,176,179,182,184,187,190,193,195,198,201,204,206,209,212,215,217,220,223,225,228,231,234,236,239,242,245,247,250,253,256,258,261,264,266,269,272 %N A186226 Adjusted joint rank sequence of (g(j)) and (f(i)) with f(i) after g(j) when f(i)=g(j), where f and g are the triangular numbers and pentagonal numbers. Complement of A186225. %C A186226 See A186223. %e A186226 See A186223. %t A186226 (See A186225.) %Y A186226 Cf. A186223, A186224, A186225. %K A186226 nonn %O A186226 1,2 %A A186226 _Clark Kimberling_, Feb 15 2011