Number of (n+1)X(1+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18.
A233990
Number of (n+1)X(1+1) 0..6 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 18.
Terms
- a(0) =164a(1) =774a(2) =3496a(3) =17156a(4) =81200a(5) =409848a(6) =1995424a(7) =10261264a(8) =50945472a(9) =264997984a(10) =1333409408a(11) =6980548160a(12) =35444523776a(13) =186152208256a(14) =951061641728
External references
- oeis: A233990