Number of (n+1)X(5+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically, with no adjacent elements equal.
A232403
Number of (n+1)X(5+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically, with no adjacent elements equal.
Terms
- a(0) =28a(1) =124a(2) =484a(3) =2788a(4) =13532a(5) =71888a(6) =370876a(7) =1936620a(8) =10086748a(9) =52577472a(10) =274075468a(11) =1428659044a(12) =7447465900a(13) =38822542800a(14) =202377611840
External references
- oeis: A232403