40852

Appears in sequences

• Number of permutations p on the set [n] with the properties that abs(p(i)-i) <= 3 for all i, p(1) <= 3, and p(4) >= 2.at n=11A188491
• Number of integer compositions of n into parts that are alternately equal and unequal.at n=38A357643
• Number of edges in the planar Farey Ring graph FR(n) defined in A359116, including the regions between the convex hull and the bounding circle.at n=8A359118