Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)*C(-j,-n)*S2(j,k), S2 the Stirling set numbers A048993, for n>=0 and 0<=k<=n.
A269952
Triangle read by rows, T(n,k) = Sum_{j=0..n} (-1)^(n-j)*C(-j,-n)*S2(j,k), S2 the Stirling set numbers A048993, for n>=0 and 0<=k<=n.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =2a(5) =1a(6) =0a(7) =4a(8) =5a(9) =1a(10) =0a(11) =8a(12) =19a(13) =9a(14) =1a(15) =0a(16) =16a(17) =65a(18) =55a(19) =14a(20) =1a(21) =0a(22) =32a(23) =211a(24) =285a(25) =125a(26) =20a(27) =1a(28) =0a(29) =64
External references
- oeis: A269952