37328103domain: NAppears in sequencesNumber of circular permutations of length n without consecutive triples i,i+2,i+4.at n=12A174074Triangle read by rows: number of circular permutations of [1..n] with k progressions of rise 1, distance 2 and length 3 (n >= 3, k >= 0).at n=37A216719Duplicate of A174074.at n=9A216720