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 A335161 #15 Jun 12 2020 12:24:37 %S A335161 16,32,64,128,24,44,75,141,4096,8192,16384,32768,6144,11264,19200, %T A335161 36096,1048576,2097152,4194304,8388608,1572864,2883584,4915200, %U A335161 9240576,268435456,536870912,1073741824,2147483648,402653184,738197504,1258291200,2365587456 %N A335161 a(n) = nim-product of 2^4 and 2^n. %H A335161 Rémy Sigrist, <a href="/A335161/b335161.txt">Table of n, a(n) for n = 0..1000</a> %H A335161 J. H. Conway, <a href="https://doi.org/10.1016/0012-365X(90)90008-6">Integral lexicographic codes</a>, Discrete Mathematics 83.2-3 (1990): 219-235. See Table 4. %H A335161 Rémy Sigrist, <a href="/A335161/a335161.gp.txt">PARI program for A335161</a> %F A335161 Conjectures from _Colin Barker_, Jun 11 2020: (Start) %F A335161 G.f.: (16 + 32*x + 64*x^2 + 128*x^3 + 24*x^4 + 44*x^5 + 75*x^6 + 141*x^7) / ((1 - 2*x)*(1 + 2*x)*(1 + 4*x^2)*(1 + 16*x^4)). %F A335161 a(n) = 256*a(n-8) for n>7. %F A335161 (End) %o A335161 (PARI) See Links section. %Y A335161 Row 4 of array in A223541. %K A335161 nonn %O A335161 0,1 %A A335161 _N. J. A. Sloane_, Jun 08 2020 %E A335161 More terms from _Rémy Sigrist_, Jun 10 2020