Exponential convolution of Lucas (A000032) and Catalan (A000108) numbers.
A277251
Exponential convolution of Lucas (A000032) and Catalan (A000108) numbers.
Terms
- a(0) =2a(1) =3a(2) =9a(3) =29a(4) =107a(5) =430a(6) =1840a(7) =8230a(8) =38015a(9) =179873a(10) =867079a(11) =4242111a(12) =21006358a(13) =105072063a(14) =530058079a(15) =2693632580a(16) =13775807415a(17) =70847283680a(18) =366167521240
External references
- oeis: A277251