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 A381119 #24 Feb 24 2025 02:07:02 %S A381119 1,2,3,7,4,23,5,16,13,47,6,36,8,79,63,64,9,142,10,100,113,123,11,167, %T A381119 30,223,91,196,12,290,14,256,201,325,149,442,15,364,330,405,17,485,18, %U A381119 530,534,630,19,583,55,682,382,735,20,790,346,847,259,1034,21,1095 %N A381119 Index of n in A381019. %C A381119 Every number does eventually appear in A381019 (see that sequence for proof). %H A381119 Jinyuan Wang, <a href="/A381119/b381119.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..257 from Michael S. Branicky) %Y A381119 Cf. A381019, A381115, A381116, A381118. %K A381119 nonn %O A381119 1,2 %A A381119 _N. J. A. Sloane_, Feb 14 2025 %E A381119 More terms from _Alois P. Heinz_, Feb 14 2025