Triangle read by rows, T(n, k) = S(k, n) with S(n, n) = 1, S(0, n) = 0 and otherwise S(k,n) = Sum_{i=1..n-k+1} k^i*S(k-1, n-i), for n>=0 and 0<=k<=n.
A269955
Triangle read by rows, T(n, k) = S(k, n) with S(n, n) = 1, S(0, n) = 0 and otherwise S(k,n) = Sum_{i=1..n-k+1} k^i*S(k-1, n-i), for n>=0 and 0<=k<=n.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =6a(9) =1a(10) =0a(11) =1a(12) =14a(13) =27a(14) =1a(15) =0a(16) =1a(17) =30a(18) =123a(19) =124a(20) =1a(21) =0a(22) =1a(23) =62a(24) =459a(25) =988a(26) =645a(27) =1a(28) =0a(29) =1
External references
- oeis: A269955