Number of (n+1) X (2+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.
A232902
Number of (n+1) X (2+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally.
Terms
- a(0) =10a(1) =34a(2) =194a(3) =1034a(4) =4986a(5) =24498a(6) =122994a(7) =613658a(8) =3048362a(9) =15169602a(10) =75553058a(11) =376118570a(12) =1872104666a(13) =9319393234a(14) =46393400018a(15) =230946825274
External references
- oeis: A232902