Number of (n+1)X(1+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.
A232384
Number of (n+1)X(1+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.
Terms
- a(0) =12a(1) =18a(2) =78a(3) =190a(4) =670a(5) =1954a(6) =6224a(7) =19178a(8) =60114a(9) =187412a(10) =586490a(11) =1834516a(12) =5744318a(13) =17990734a(14) =56368598a(15) =176652636a(16) =553724396a(17) =1735923596a(18) =5442763224a(19) =17066621772a(20) =53518824910a(21) =167837668944a(22) =526369709548
External references
- oeis: A232384