G.f. A(x/(1-x)), where A = g.f. for A090351.
A111343
G.f. A(x/(1-x)), where A = g.f. for A090351.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =22a(4) =163a(5) =1567a(6) =18794a(7) =271784a(8) =4610375a(9) =89779703a(10) =1973367872a(11) =48308239934
External references
- oeis: A111343