Fourth convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.
A073391
Fourth convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.
Terms
- a(0) =1a(1) =10a(2) =70a(3) =400a(4) =2020a(5) =9352a(6) =40600a(7) =167680a(8) =665440a(9) =2555840a(10) =9551936a(11) =34880000a(12) =124853120a(13) =439228160a(14) =1521839360a(15) =5202292736a(16) =17571249920a(17) =58712184320a(18) =194280061440a(19) =637228462080
External references
- oeis: A073391