Triangle read by rows, T(n,k) = binomial(-k-n-1, -2*n-1)*E1(k+n, n), E1 the Eulerian numbers A173018, for n >= 0 and 0 <= k <= n.
A321967
Triangle read by rows, T(n,k) = binomial(-k-n-1, -2*n-1)*E1(k+n, n), E1 the Eulerian numbers A173018, for n >= 0 and 0 <= k <= n.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =-4a(5) =11a(6) =0a(7) =15a(8) =-156a(9) =302a(10) =0a(11) =-56a(12) =1596a(13) =-9528a(14) =15619a(15) =0a(16) =210a(17) =-14400a(18) =193185a(19) =-882340a(20) =1310354a(21) =0a(22) =-792a(23) =122265a(24) =-3213760a(25) =30042672a(26) =-116857368a(27) =162512286a(28) =0a(29) =3003
External references
- oeis: A321967