Number of (1+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.
A232909
Number of (1+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.
Terms
- a(0) =0a(1) =10a(2) =52a(3) =82a(4) =432a(5) =2372a(6) =8456a(7) =29970a(8) =132972a(9) =547554a(10) =2102096a(11) =8441132a(12) =34612080a(13) =138342906a(14) =551613860a(15) =2224984018a(16) =8958729072a(17) =35906450644a(18) =144189580120a(19) =579895060802
External references
- oeis: A232909