a(n) = (1/n)*Sum_{k=0..n-1} A001850(k)*A245769(k).
A268137
a(n) = (1/n)*Sum_{k=0..n-1} A001850(k)*A245769(k).
Terms
- a(0) =-1a(1) =1a(2) =31a(3) =417a(4) =5919a(5) =97217a(6) =1828479a(7) =38085249a(8) =853450367a(9) =20174707521a(10) =496690317855
External references
- oeis: A268137