9320675domain: NAppears in sequencesBase 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,3.at n=11A037618a(n) = sum(2^(A047240(i)-1), i=1..n).at n=11A113854Terms of A198587 congruent {1, 3, 7} (mod 8).at n=28A385110