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 A296350 #13 May 13 2020 07:04:20 %S A296350 2,3,6,7,8,10,12,13,15,16,18,20,21,22,25,26,27,28,30,31,32,33,36,37, %T A296350 38,40,42,43,45,46,48,50,51,52,55,56,57,58,60,61,62,63,66,67,68,70,72, %U A296350 73,75,76,78,80,81,82,85,86,87,88,90,91,92,93,96,97,98,100,102 %N A296350 List of numbers k such that the determinant of the Bordered Lights Out matrix BL_k is nonzero. %H A296350 Martin Kreh, <a href="https://doi.org/10.4169/amer.math.monthly.124.10.937">"Lights Out" and Variants</a>, Amer. Math. Month., Vol. 124 (10), Dec. 2017, pp. 937-950. %F A296350 Numbers m > 1 such that m+1 is not divisible by 5 nor by 6. - _Amiram Eldar_, May 13 2020 %t A296350 Select[Range[2, 102], Mod[# + 1, 5] > 0 && Mod[# + 1, 6] > 0 &] (* _Amiram Eldar_, May 13 2020 *) %Y A296350 Cf. A296351, A296352, A296353. %K A296350 nonn %O A296350 1,1 %A A296350 _N. J. A. Sloane_, Dec 14 2017 %E A296350 More terms from _Amiram Eldar_, May 13 2020