a(0) = 1; a(n) = a(n-1) - Sum_{k=0..n-1} k * a(k) * a(n-1-k).
A386473
a(0) = 1; a(n) = a(n-1) - Sum_{k=0..n-1} k * a(k) * a(n-1-k).
Terms
- a(0) =1a(1) =1a(2) =0a(3) =-1a(4) =2a(5) =-2a(6) =-2a(7) =19a(8) =-86a(9) =418a(10) =-2552a(11) =18998a(12) =-163316a(13) =1576012a(14) =-16834822a(15) =197132715a(16) =-2510394870a(17) =34532581946a(18) =-510187846128
External references
- oeis: A386473