Triangle T(n,k) = SF(n+1)/(SF(n-k+1)*SF(k+1)) where SF(n) is the superfactorial A000178(n), read by rows.
A156584
Triangle T(n,k) = SF(n+1)/(SF(n-k+1)*SF(k+1)) where SF(n) is the superfactorial A000178(n), read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =1a(7) =12a(8) =12a(9) =1a(10) =1a(11) =60a(12) =240a(13) =60a(14) =1a(15) =1a(16) =360a(17) =7200a(18) =7200a(19) =360a(20) =1a(21) =1a(22) =2520a(23) =302400a(24) =1512000a(25) =302400a(26) =2520a(27) =1a(28) =1a(29) =20160
External references
- oeis: A156584