193797626domain: NAppears in sequencesBinomial transform of (Jacobsthal(n) + 2^n*Jacobsthal(-n))/2.at n=19A094039Number of walks of length n between two vertices on the same triangular face of a truncated tetrahedron (triangular prism).at n=19A094555Upper (1/3,1/2)-midsequence of ((2^n)) and ((3^n)); see Comments.at n=18A389124