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 A000867 #29 Dec 12 2023 22:36:46 %S A000867 4,5,14,15,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58, %T A000867 59,400,401,402,403,404,405,406,407,408,409,410,411,412,413,414,415, %U A000867 416,417,418,419,420,421,422,423,424,425,426,427,428,429,430,431,432 %N A000867 Numbers beginning with letter 'f' in English. %H A000867 John Cerkan, <a href="/A000867/b000867.txt">Table of n, a(n) for n = 1..10000</a> %t A000867 Select[Range[1000], First[Characters[IntegerName[#,"Words"]]]=="f"&] (* _James C. McMahon_, Dec 11 2023 *) %Y A000867 Subsequence of A125299. %Y A000867 Cf. A000865, A000870, A000873, A000981, A006092. %K A000867 word,nonn %O A000867 1,1 %A A000867 _N. J. A. Sloane_ %E A000867 More terms from _John Cerkan_, Feb 11 2017