Number of (n+1) X (1+1) 0..3 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 6.
A233675
Number of (n+1) X (1+1) 0..3 arrays with every 2 X 2 subblock having the sum of the squares of the edge differences equal to 6.
Terms
- a(0) =48a(1) =184a(2) =648a(3) =2440a(4) =8712a(5) =32456a(6) =116872a(7) =432456a(8) =1565704a(9) =5768392a(10) =20957064a(11) =76995656a(12) =280355592a(13) =1028180936a(14) =3749152392a(15) =13733970760a(16) =50125386248a(17) =183485530824a(18) =670067844488
External references
- oeis: A233675