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 A114384 #5 Mar 31 2012 13:21:10 %S A114384 0,21,42,63,84,85,126,127,168,170,189,191,252,253,254,255,336,340,341, %T A114384 378,382,383,504,506,508,509,510,511,672,680,682,693,701,703,756,757, %U A114384 764,765,766,767,1008,1012,1013,1016,1018,1020,1021,1022,1023,1344 %N A114384 Integers i such that 49*i = 81 X i. %C A114384 Here * stands for ordinary multiplication and X means carryless (GF(2)[X]) multiplication (A048720). %H A114384 <a href="/index/Con#CongruCrossDomain">Index entries for sequences defined by congruent products between domains N and GF(2)[X]</a> %Y A114384 Row 49 of A115872. A114385 shows this sequence in binary. Cf. A114392. %K A114384 nonn %O A114384 0,2 %A A114384 _Antti Karttunen_, Feb 07 2006