G.f. satisfies: A(x) = G(x*A(x)) where G(x) = -1+x + A(x) + 1/A(x).
A237645
G.f. satisfies: A(x) = G(x*A(x)) where G(x) = -1+x + A(x) + 1/A(x).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =34a(5) =201a(6) =1357a(7) =10109a(8) =81397a(9) =698948a(10) =6341597a(11) =60391832a(12) =600661215a(13) =6215862360a(14) =66726103981a(15) =741259084280
External references
- oeis: A237645