Rectangular table, read by antidiagonals, such that the g.f. of row n, R_n(y), satisfies: R_n(y) = [ Sum_{k>=0} y^k * R_{n*k}(y) ]^n for n>=0, with R_0(y)=1.
A124550
Rectangular table, read by antidiagonals, such that the g.f. of row n, R_n(y), satisfies: R_n(y) = [ Sum_{k>=0} y^k * R_{n*k}(y) ]^n for n>=0, with R_0(y)=1.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =1a(5) =0a(6) =1a(7) =2a(8) =2a(9) =0a(10) =1a(11) =3a(12) =7a(13) =5a(14) =0a(15) =1a(16) =4a(17) =15a(18) =30a(19) =16a(20) =0a(21) =1a(22) =5a(23) =26a(24) =91a(25) =159a(26) =66a(27) =0a(28) =1a(29) =6
External references
- oeis: A124550