Row n=4 of A144048.

Terms

a(0) =5a(1) =13a(2) =40a(3) =136a(4) =490a(5) =1828a(6) =6970a(7) =26956a(8) =105250a(9) =413668a(10) =1633450a(11) =6471676a(12) =25703410a(13) =102269908a(14) =407460730a(15) =1625010796a(16) =6485595970a(17) =25899140548a(18) =103467028810a(19) =413479908316