516180domain: NAppears in sequencesG.f. satisfies: 9*A(x) = 8 + 8*x + A(x)^5, starting with [1,2,10].at n=6A120597Number of permutations of 2 copies of 1..n with all adjacent differences <= 3 in absolute value.at n=6A177284Number of permutations of n copies of 1..6 with all adjacent differences <= 3 in absolute value.at n=2A177327