Convolution of A001147 (double factorial numbers) with itself.
A034430
Convolution of A001147 (double factorial numbers) with itself.
Terms
- a(0) =1a(1) =2a(2) =7a(3) =36a(4) =249a(5) =2190a(6) =23535a(7) =299880a(8) =4426065a(9) =74294010a(10) =1397669175a(11) =29123671500a(12) =665718201225
External references
- oeis: A034430