Number of (n+1) X (1+1) 0..3 arrays with every 2 X 2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.
A234154
Number of (n+1) X (1+1) 0..3 arrays with every 2 X 2 subblock having the absolute values of all six edge and diagonal differences no larger than 1.
Terms
- a(0) =46a(1) =226a(2) =1108a(3) =5446a(4) =26794a(5) =131896a(6) =649450a(7) =3198322a(8) =15751828a(9) =77581198a(10) =382112002a(11) =1882042264a(12) =9269800642a(13) =45657552106a(14) =224882405380
External references
- oeis: A234154