Number of (5+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal.
A232520
Number of (5+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally, diagonally or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =28a(1) =3052a(2) =1344a(3) =145682a(4) =64290a(5) =7059918a(6) =3267824a(7) =342080372a(8) =164573398a(9) =16574068036a(10) =8286633666a(11) =803051212486a(12) =416590808466
External references
- oeis: A232520