Triangle read by rows, T(n,k) = (-1)^k*{{n,k}} where {{n,k}} are the second-order Stirling set numbers, n>=0, 0<=k<=n/2.
A137375
Triangle read by rows, T(n,k) = (-1)^k*{{n,k}} where {{n,k}} are the second-order Stirling set numbers, n>=0, 0<=k<=n/2.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =-1a(4) =0a(5) =-1a(6) =0a(7) =-1a(8) =3a(9) =0a(10) =-1a(11) =10a(12) =0a(13) =-1a(14) =25a(15) =-15a(16) =0a(17) =-1a(18) =56a(19) =-105a(20) =0a(21) =-1a(22) =119a(23) =-490a(24) =105a(25) =0a(26) =-1a(27) =246a(28) =-1918a(29) =1260
External references
- oeis: A137375