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 A188040 #18 Jun 25 2025 04:06:36 %S A188040 1,3,4,5,6,8,9,10,11,13,14,15,16,17,18,20,21,22,23,25,26,27,28,29,30, %T A188040 32,33,34,35,37,38,39,40,42,43,44,45,46,47,49,50,51,52,54,55,56,57,58, %U A188040 59,61,62,63,64,66,67,68,69,71,72,73,74,75,76,78,79,80,81,83,84,85,86,87,88,90,91,92,93,95,96,97,98,99,100,102,103,104,105,107,108,109,110,112,113,114 %N A188040 Positions of 1 in A188038; complement of A188039. %C A188040 See A188038 and A188014. %C A188040 Starting at the second term, it seems to be part of the first column of A120861. - _Petros Hadjicostas_, Jul 22 2020 %H A188040 G. C. Greubel, <a href="/A188040/b188040.txt">Table of n, a(n) for n = 1..10000</a> %t A188040 (* See A188038. *) %Y A188040 Cf. A120861, A188014, A188038, A188039. %K A188040 nonn %O A188040 1,2 %A A188040 _Clark Kimberling_, Mar 19 2011