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 A382715 #35 Apr 13 2025 03:26:56 %S A382715 0,1,-1,3,4,-3,6,7,13,9,10,11,-12,18,14,15,16,-18,20,21,25,23,19,28, %T A382715 -24,22,26,27,30,31,32,-32,29,33,34,35,36,37,38,39,40,-39,42,43,44,45, %U A382715 46,47,48,49,-49,51,52,53,54,55,56,57,58,59,60,-59,62,63,64,65 %N A382715 The term in A377091 that immediately precedes n, or 0 if n does not appear in A377091. %C A382715 It is a strong conjecture that every integer appears in A377091, so it is unlikely there will be a second 0 term. %H A382715 N. J. A. Sloane, <a href="/A382715/b382715.txt">Table of n, a(n) for n = 1..10060</a> %H A382715 N. J. A. Sloane, <a href="/A382715/a382715.txt">Table of n, a(n) for n = 1..125060</a> %e A382715 A377091(9) = -3 is followed by A377091(10) = 6, so a(6) = -3. %Y A382715 Cf. A377091, A379059, A379789, A382716, A382717, A382718. %K A382715 sign %O A382715 1,4 %A A382715 _N. J. A. Sloane_, Apr 09 2025