Number of n X 4 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors equal to itself.
A266008
Number of n X 4 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors equal to itself.
Terms
- a(0) =1a(1) =4a(2) =4a(3) =9a(4) =14a(5) =21a(6) =44a(7) =52a(8) =129a(9) =138a(10) =361a(11) =388a(12) =980a(13) =1129a(14) =2614a(15) =3325a(16) =6924a(17) =9764a(18) =18369a(19) =28370a(20) =49105a(21) =81348a(22) =132708a(23) =230281a(24) =362782a(25) =644837a(26) =1001644a(27) =1790932a(28) =2785729a(29) =4947162
External references
- oeis: A266008