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 A060316 #17 Dec 29 2022 06:46:01 %S A060316 76,284,433,734,842,1102,1228,1366,1652,709,859,879,943,1070,1091,749, %T A060316 829,530,628,653,677,202,342,293,248,238,247,245,253,336,251,147,125, %U A060316 155,127,163,139,133,149,181,157,153,155,169,162,157,131,174,176,169 %N A060316 a(n) is the smallest natural number we cannot obtain from n, n+1, n+2, n+3, n+4, n+5 and the operators +, -, *, /, using each number only once. %C A060316 Asymptotically the sequence tends to 13. The first n for which a(n) equals the limit is n=83. - _Gilles A.Fleury_, Oct 18 2008 %H A060316 Gilles A. Fleury, <a href="/A060316/b060316.txt">Table of n, a(n) for n = 0..100</a>, Oct 18 2008. %H A060316 Gilles Bannay, <a href="https://web.archive.org/web/20061201125224/http://gilles.bannay.free.fr/jeux_us.html">Countdown Problem</a> %H A060316 <a href="/index/Fo#4x4">Index entries for similar sequences</a> %e A060316 u(0)=76 is the smallest natural number we can't obtain with 0, 1, 2, 3, 4, 5 and the operators +, -, *, /, using each number only once. %Y A060316 Cf. A060315, A141494. %K A060316 nonn %O A060316 0,1 %A A060316 _Jean-Marc Rebert_, Mar 28 2001 %E A060316 More terms from Koksal Karakus (karakusk(AT)hotmail.com), May 28 2002