Number of (3+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.
A232592
Number of (3+1)X(n+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =4a(1) =124a(2) =42a(3) =996a(4) =606a(5) =8104a(6) =7568a(7) =66744a(8) =82132a(9) =556612a(10) =836046a(11) =4691760a(12) =8187072a(13) =39925804a(14) =78178630a(15) =342580066a(16) =733698936a(17) =2960354254a(18) =6801151306a(19) =25734466516a(20) =62477896160a(21) =224824244852a(22) =570101087316
External references
- oeis: A232592