G.f.: A(x) = x/Series_Reversion[x*G(x)] where A(x*G(x)) = G(x) = g.f. of A144691.
A144692
G.f.: A(x) = x/Series_Reversion[x*G(x)] where A(x*G(x)) = G(x) = g.f. of A144691.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =0a(4) =17a(5) =0a(6) =408a(7) =0a(8) =69473a(9) =0a(10) =6018928a(11) =0a(12) =1363916728a(13) =0a(14) =219434809664a(15) =0a(17) =0a(19) =0a(21) =0a(23) =0a(25) =0a(27) =0
External references
- oeis: A144692