Triangle read by rows: T(n,0)=B(n) (the Bell numbers, A000110(n)), T(n,k)=0 for k < 0 or k > n, T(n,k) = T(n-1,k) + T(n-1,k-1) for n >= 1, 0 <= k <= n.
A125178
Triangle read by rows: T(n,0)=B(n) (the Bell numbers, A000110(n)), T(n,k)=0 for k < 0 or k > n, T(n,k) = T(n-1,k) + T(n-1,k-1) for n >= 1, 0 <= k <= n.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =1a(6) =5a(7) =4a(8) =3a(9) =1a(10) =15a(11) =9a(12) =7a(13) =4a(14) =1a(15) =52a(16) =24a(17) =16a(18) =11a(19) =5a(20) =1a(21) =203a(22) =76a(23) =40a(24) =27a(25) =16a(26) =6a(27) =1a(28) =877a(29) =279
External references
- oeis: A125178