Number of nX6 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
A280602
Number of nX6 0..1 arrays with no element equal to more than two of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.
Terms
- a(0) =32a(1) =383a(2) =735a(3) =1709a(4) =3647a(5) =7594a(6) =15792a(7) =33136a(8) =70293a(9) =150510a(10) =324417a(11) =702417a(12) =1525112a(13) =3317003a(14) =7221478a(15) =15731170a(16) =34280316a(17) =74716385a(18) =162869145a(19) =355053222a(20) =774048105a(21) =1687544757a(22) =3679181777a(23) =8021454376a(24) =17488766688a(25) =38130129481
External references
- oeis: A280602