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 A110280 #8 Mar 11 2024 20:53:22 %S A110280 1,1,2,1,0,-2,-3,-3,-2,4,5,11,10,7,4,-6,-7,-13,-10,-3,-1,12,12,17,15, %T A110280 8,3,-7,-10,-14,-11,-4,1,13,14,20,11,11,-4,-11,-13,-24,-7,-11,8,16,19, %U A110280 29,13,14,-7,-13,-18,-26,-8,-9,11,22,22,35,15,15,-7,-20,-24,-35,-17,-13,11,26,34,43,27,19,-7,-24,-36,-43,-29,-17,11 %N A110280 A floretion-generated sequence calculated using the same rules given for A108618 with initial seed x = + .5'i + .5'ii' + .5'ij' + .5'ik'; version: "ibase". %C A110280 The initial seed + .5'i + .5'ii' + .5'ij' + .5'ik' can be seen as an element of the space Q X C_3 where Q are the quaternions. %C A110280 Floretion Algebra Multiplication Program, FAMP Code: 2ibasesumseq[ + .5'i + .5'ii' + .5'ij' + .5'ik']. SumType is set to: sum[Y[15]] %Y A110280 Cf. A108618, A110279, A110281, A110282, A110283. %K A110280 easy,sign %O A110280 0,3 %A A110280 _Creighton Dement_, Jul 18 2005