G.f. A(x) satisfies: A(x*G(x)) = G(x), where G(x) is the g.f. for A098616(n) = Pell(n+1)*Catalan(n).
A098617
G.f. A(x) satisfies: A(x*G(x)) = G(x), where G(x) is the g.f. for A098616(n) = Pell(n+1)*Catalan(n).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =16a(4) =46a(5) =128a(6) =364a(7) =1024a(8) =2902a(9) =8192a(10) =23188a(11) =65536a(12) =185420a(13) =524288a(14) =1483096a(15) =4194304a(16) =11863910a(17) =33554432a(18) =94908420a(19) =268435456a(20) =759257636a(21) =2147483648a(22) =6074027496a(23) =17179869184a(24) =48592102396a(25) =137438953472a(26) =388736403144
External references
- oeis: A098617