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