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 A122080 #10 Jul 31 2025 16:56:47 %S A122080 2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48, %T A122080 50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94, %U A122080 96,98,100,102,104,106,108,110,112,114,116,120,126,128,130,132,134,136,138,140,142,150,240 %N A122080 Kissing numbers of 8-dimensional perfect lattices. %H A122080 Mathieu Dutour Sikirić, Achill Schürmann, and Frank Vallentin, <a href="https://doi.org/10.1090/S1079-6762-07-00171-0">Classification of eight-dimensional perfect forms</a>, Electron. Res. Announc. Amer. Math. Soc. 13 (2007), 21-32; <a href="https://arxiv.org/abs/math/0609388">arXiv preprint</a>, arXiv:math/0609388 [math.NT], 2006-2009. %Y A122080 Cf. A004026, A122079. %K A122080 nonn,fini,full %O A122080 1,1 %A A122080 _N. J. A. Sloane_, Oct 18 2006