A102814 a(-1) = 1, a(n) = sum_{k=0..n} A034851(n,k)*a(k-1) where A034851(n,k) are entries in Losanitsch's triangle.

1, 1, 2, 4, 11, 30, 103, 354, 1440, 5911, 27651, 131062, 690543