a(1)=0, a(2)=1, a(n+2) = (8*n^2+2*n+1)*a(n+1) - 2*n*(2*n-1)^3*a(n).
A101269
a(1)=0, a(2)=1, a(n+2) = (8*n^2+2*n+1)*a(n+1) - 2*n*(2*n-1)^3*a(n).
Terms
- a(0) =0a(1) =1a(2) =11a(3) =299a(4) =15371a(5) =1285371a(6) =159158691a(7) =27376820379
External references
- oeis: A101269