T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 nXk array.
A217547
T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 nXk array.
Terms
- a(0) =3a(1) =3a(2) =3a(3) =9a(4) =3a(5) =9a(6) =17a(7) =9a(8) =9a(9) =17a(10) =37a(11) =17a(12) =81a(13) =17a(14) =37a(15) =77a(16) =37a(17) =289a(18) =289a(19) =37a(20) =77a(21) =163a(22) =77a(23) =1369a(24) =1401a(25) =1369a(26) =77a(27) =163a(28) =343a(29) =163
External references
- oeis: A217547