163600
domain: N
Appears in sequences
- Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 9 ones in any 5 X 5 X 5 subtriangle.at n=13A153970
- Number of length n arrays of permutations of 0..n-1 with each element moved by -3 to 3 places and the total absolute value of displacements not greater than 2*(n-1).at n=11A263900
- Number of regions in the planar Farey Ring graph FR(n) defined in A359116, including the regions between the convex hull and the bounding circle.at n=11A359117
- G.f. satisfies A(x) = 1 + x*A(x)^3 / (1 - x*A(x)^3)^2.at n=7A367280