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 A353168 #21 Jun 30 2022 08:40:02 %S A353168 0,7,9,14,18,21,27,28,35,36,42,45,49,54,56,63,65,70,72,79,83,84,90,93, %T A353168 98,101,107,108,112,119,121,126,130,133,139,140,144,151,153,158,161, %U A353168 166,168,175,179,180,186,189,195,196,202,205,209,214,216,223,224,231,233 %N A353168 Polynomials over GF(2) that are divisible by x^2+x+1, encoded as binary numbers. %C A353168 Terms of A048727, sorted. %o A353168 (Python) %o A353168 from itertools import count, chain, islice %o A353168 def A353168_gen(): # generator of terms %o A353168 return chain((0,),chain.from_iterable((sorted(n^ n<<1 ^ n<<2 for n in range(2**l,2**(l+1))) for l in count(0)))) %o A353168 A353168_list = list(islice(A353168_gen(),30)) # _Chai Wah Wu_, Jun 29 2022 %Y A353168 Cf. A048727. %Y A353168 See also A001969 for those divisible by x + 1. %K A353168 nonn %O A353168 1,2 %A A353168 _Jack Zhang_, Apr 28 2022 %E A353168 More terms from _David A. Corneth_, Apr 28 2022