G.f. A(x) satisfies: A(x) = 1 + x * A(x)^3 / (1 - 2 * x).
A349318
G.f. A(x) satisfies: A(x) = 1 + x * A(x)^3 / (1 - 2 * x).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =28a(4) =171a(5) =1113a(6) =7590a(7) =53588a(8) =388519a(9) =2876003a(10) =21648065a(11) =165193576a(12) =1275043280a(13) =9936953788a(14) =78087083456a(15) =618049278976
External references
- oeis: A349318