Number of nX4 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.
A266097
Number of nX4 integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.
Terms
- a(0) =5a(1) =36a(2) =161a(3) =929a(4) =4893a(5) =26948a(6) =145274a(7) =790986a(8) =4286644a(9) =23281595a(10) =126318252a(11) =685685972a(12) =3721248548a(13) =20197452145a(14) =109618496442a(15) =594950280201
External references
- oeis: A266097