Triangle read by rows: T(n,k) = Sum_{i=0..n-1} binomial(n-1, i)*T(n-1-i,k-1) - Sum_{i=1..n-1} binomial(n-1,i)*T(n-1-i,k) for 1 <= k <= n+1 with T(0,1) = 1 (and T(n,k) = 0 otherwise).
A341287
Triangle read by rows: T(n,k) = Sum_{i=0..n-1} binomial(n-1, i)*T(n-1-i,k-1) - Sum_{i=1..n-1} binomial(n-1,i)*T(n-1-i,k) for 1 <= k <= n+1 with T(0,1) = 1 (and T(n,k) = 0 otherwise).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =-1a(4) =1a(5) =1a(6) =-1a(7) =-2a(8) =3a(9) =1a(10) =2a(11) =-9a(12) =1a(13) =6a(14) =1a(15) =9a(16) =-9a(17) =-25a(18) =15a(19) =10a(20) =1a(21) =9a(22) =50a(23) =-104a(24) =-20a(25) =50a(26) =15a(27) =1a(28) =-50a(29) =267
External references
- oeis: A341287