Number of (n+1)X(3+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12.
A234109
Number of (n+1)X(3+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12.
Terms
- a(0) =604a(1) =2086a(2) =7732a(3) =31740a(4) =133592a(5) =581756a(6) =2579864a(7) =11668144a(8) =53568572a(9) =249460672a(10) =1175604808a(11) =5599740628a(12) =26917300840a(13) =130423880304a(14) =636253911500
External references
- oeis: A234109