Triangle read by rows, T(n,k) = Sum_{j=0..n} C(-j,-n)*E1(j,k), E1 the Eulerian numbers A173018, for n>=0 and 0<=k<=n.
A271698
Triangle read by rows, T(n,k) = Sum_{j=0..n} C(-j,-n)*E1(j,k), E1 the Eulerian numbers A173018, for n>=0 and 0<=k<=n.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =0a(4) =1a(5) =0a(6) =0a(7) =2a(8) =1a(9) =0a(10) =0a(11) =2a(12) =8a(13) =1a(14) =0a(15) =0a(16) =2a(17) =28a(18) =22a(19) =1a(20) =0a(21) =0a(22) =2a(23) =72a(24) =182a(25) =52a(26) =1a(27) =0a(28) =0a(29) =2
External references
- oeis: A271698