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 A372057 #7 Apr 30 2024 00:54:08 %S A372057 1,2,2,2,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,14,14,14,14,14,14,14,14,14, %T A372057 14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14, %U A372057 14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14 %N A372057 After A125717(n) has been found, a(n) is the smallest missing number. %Y A372057 Cf. A125717. %Y A372057 A370959 lists the distinct terms in order, and the first differences of A370956 specify the lengths of the runs of identical terms. %K A372057 nonn %O A372057 0,2 %A A372057 _N. J. A. Sloane_, Apr 30 2024