Convolution of A000108 (Catalan numbers) with A040075.
A045505
Convolution of A000108 (Catalan numbers) with A040075.
Terms
- a(0) =1a(1) =21a(2) =262a(3) =2525a(4) =20754a(5) =152946a(6) =1040556a(7) =6659037a(8) =40599130a(9) =237978598a(10) =1350216660a(11) =7453221490a(12) =40188242420a(13) =212349718980
External references
- oeis: A045505