840673
domain: N
Appears in sequences
- CONTINUANT transform of {phi(n)}, 1, 1, 2, 2, 4, 2, .. (A002088).at n=10A038576
- Number of n X 4 arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with every occupancy equal to zero or two.at n=6A221415
- T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or antidiagonal neighbor, with every occupancy equal to zero or two.at n=51A221419