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 A342069 #9 Mar 23 2021 21:32:09 %S A342069 1,5,12,4,2,6,31,28,3,13,169,729,3128,2245,4660,2524,5198,519,40016, %T A342069 48916,12350,45362,69266,74080,122062,117172,86999,206214,86845, %U A342069 144921,328452,213238,309939,387079,652124,504874,694074,596997,763820,741672,404949 %N A342069 a(n) is the smallest k such that A342068(k) = n. %C A342069 For n > 42, a(n) > 763820 = a(42). %C A342069 a(19)=519 corresponds to the noteworthy record high value (19) in A342068 that occurs at n=519. %e A342069 5 is the smallest k such that A342068(k)=3, so a(3)=5. %Y A342069 Cf. A342068, A342070, A342071, A342839. %K A342069 nonn %O A342069 2,2 %A A342069 _Jon E. Schoenfield_, Mar 23 2021