Number of lattice paths from (0,0) to (n,n) using steps (0,1), (0,2), (1,0), (2,0), and (2,2).

A192369

Number of lattice paths from (0,0) to (n,n) using steps (0,1), (0,2), (1,0), (2,0), and (2,2).

Terms

    a(0) =1a(1) =2a(2) =15a(3) =90a(4) =617a(5) =4248a(6) =29945a(7) =213404a(8) =1535661a(9) =11129314a(10) =81123369a(11) =594092166a(12) =4367701295a(13) =32216566492a(14) =238301617605

External references