Rectangular table, read by antidiagonals, where the g.f. of row n, R(x,n), satisfies: R(x,n) = 1 + (n+1)*x*R(x,n+1)^2 for n>=0.
A128570
Rectangular table, read by antidiagonals, where the g.f. of row n, R(x,n), satisfies: R(x,n) = 1 + (n+1)*x*R(x,n+1)^2 for n>=0.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =4a(6) =1a(7) =3a(8) =12a(9) =28a(10) =1a(11) =4a(12) =24a(13) =114a(14) =276a(15) =1a(16) =5a(17) =40a(18) =288a(19) =1440a(20) =3480a(21) =1a(22) =6a(23) =60a(24) =580a(25) =4440a(26) =22368a(27) =53232a(28) =1a(29) =7
External references
- oeis: A128570