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 A326736 #6 Jul 27 2019 10:07:27 %S A326736 3,31,103,113,123,133,143,153,163,173,183,193,203,303,311,403,503,603, %T A326736 703,803,903,1031,1131,1231,1331,1431,1531,1631,1731,1831,1931,2031, %U A326736 3031,3100,3110,3111,3112,3113,3114,3115,3116,3117,3118,3119,3120,3130,3140 %N A326736 Numbers which converge to 3 under repeated application of the powertrain map of A133500. %e A326736 31 -> 3^1 = 3. %Y A326736 Cf. A133500, A133501, A135384, A135385, A309385, A326733, A326734, A326735, A326737, A326738, A326739, A326740, A326741, A326742. %K A326736 nonn,base,easy %O A326736 1,1 %A A326736 _Martin Renner_, Jul 22 2019