2879341domain: NAppears in sequencesNumbers in which all pairs of consecutive base-6 digits differ by 3.at n=40A033077Let M = 2 X 2 matrix [ 1 2 / 5 4 ]; a(n) = (1,1) entry of M^n.at n=8A092164a(n) = round(e^(n+1)/(e^2+1)).at n=16A182197