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 A114615 #11 Feb 16 2025 08:32:59 %S A114615 6999,7089,7179,7269,7359,7449,7539,7629,7719,7809,7998,8088,8178, %T A114615 8268,8358,8448,8538,8628,8718,8808,8997,9087,9177,9267,9357,9447, %U A114615 9537,9627,9699,9717,9789,9807,9879,9969,9996,10128,10167,10185,10191 %N A114615 Starting numbers for which the RATS sequence has eventual period 14. %C A114615 A114611(a(n)) = 14. - _Reinhard Zumkeller_, Mar 14 2012 %H A114615 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/RATSSequence.html">RATS Sequence</a> %Y A114615 Cf. A114611, A114612, A114613, A114614, A114615, A114616. %Y A114615 Cf. A209879, A036839. %K A114615 nonn,base %O A114615 1,1 %A A114615 _Eric W. Weisstein_, Dec 16 2005