Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically.
A207483
Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 1 and 1 1 0 vertically.
Terms
- a(0) =6a(1) =36a(2) =82a(3) =177a(4) =408a(5) =942a(6) =2233a(7) =5348a(8) =12994a(9) =31873a(10) =78920a(11) =196862a(12) =494329a(13) =1248164a(14) =3166802a(15) =8067793a(16) =20626904a(17) =52898478a(18) =136020345a(19) =350558596a(20) =905277122a(21) =2341815073a(22) =6067027656a(23) =15738638142a(24) =40874569785a(25) =106260279044a(26) =276481264786
External references
- oeis: A207483