Triangle read by rows: T(n,k) = number of ways of seating n couples around a circular table so that exactly k married couples are adjacent (0 <= k <= n).
A094314
Triangle read by rows: T(n,k) = number of ways of seating n couples around a circular table so that exactly k married couples are adjacent (0 <= k <= n).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =0a(5) =2a(6) =1a(7) =0a(8) =3a(9) =2a(10) =2a(11) =8a(12) =4a(13) =8a(14) =2a(15) =13a(16) =30a(17) =40a(18) =20a(19) =15a(20) =2a(21) =80a(22) =192a(23) =210a(24) =152a(25) =60a(26) =24a(27) =2a(28) =579a(29) =1344
External references
- oeis: A094314