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 A026372 #8 Jun 22 2022 10:52:55 %S A026372 4,7,10,15,18,23,26,31,34,37,40,45,48,53,56,59,62,67,70,75,78,81,84, %T A026372 89,92,97,100,105,108,113,116,119,122,127,130,135,138,141,144,149,152, %U A026372 157,160,165,168,173,176,179,182,187,190,195,198 %N A026372 a(n) = greatest k such that s(k) = n, where s = A026370. %C A026372 Complement of A026371. See A187422 and A026371. [_Clark Kimberling_, Mar 10 2011] %t A026372 (See A026371.) %Y A026372 Cf. A026370, A026371, A187422. %K A026372 nonn %O A026372 1,1 %A A026372 _Clark Kimberling_