Exponential convolution of Fibonacci (A000045) and Catalan (A000108) numbers.
A277220
Exponential convolution of Fibonacci (A000045) and Catalan (A000108) numbers.
Terms
- a(0) =0a(1) =1a(2) =3a(3) =11a(4) =43a(5) =180a(6) =790a(7) =3590a(8) =16745a(9) =79705a(10) =385615a(11) =1890747a(12) =9375216a(13) =46931897a(14) =236873261a(15) =1204089630a(16) =6159064015a(17) =31678706490a(18) =163739008070a(19) =850051218980
External references
- oeis: A277220