a(n+1) = (a(n) - 2*(n-1)) * (2*n-1), where a(1)=1.
A339516
a(n+1) = (a(n) - 2*(n-1)) * (2*n-1), where a(1)=1.
Terms
- a(0) =1a(1) =1a(2) =-3a(3) =-35a(4) =-287a(5) =-2655a(6) =-29315a(7) =-381251a(8) =-5718975a(9) =-97222847a(10) =-1847234435a(11) =-38791923555a(12) =-892214242271
External references
- oeis: A339516