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 A308106 #9 May 16 2019 14:28:13 %S A308106 101,11,112,22,202,213,123,33,303,314,224,134,44,404,415,325,235,145, %T A308106 55,505,516,426,336,246,156,66,606,617,527,437,347,257,167,77,707,718, %U A308106 628,538,448,358,268,178,88,808,819,729,639,549,459,369,279,189,99,909 %N A308106 Distinct values taken by the DENEAT operator (A073053) in order of appearance. %H A308106 Rémy Sigrist, <a href="/A308106/a308106.gp.txt">PARI program for A308106</a> %e A308106 A073053 starts: 101, 11, 101, 11, 101, 11, 101, 11, 101, 11, 112, 22, ... %e A308106 This sequence starts: 101, 11, 112, 22, ... %o A308106 (PARI) See Links section. %Y A308106 See A308104 for the values in increasing order. %Y A308106 Cf. A073053. %K A308106 nonn,base %O A308106 1,1 %A A308106 _Rémy Sigrist_, May 13 2019