237367domain: NAppears in sequencesa(n) = 1 + n + binomial(n+3,5).at n=30A154322Number of n X 6 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=12A207167Numbers k with more than one maximum clique containing k in the gcd-graph of {1, 2, ..., k}.at n=8A387699