Number of shapes of grid-filling curves of order 6*n+1 (on the tri-hexagonal grid) with turns by +-60 and +-120 degrees that are generated by Lindenmayer-systems with just one symbol apart from the turns.
A265686
Number of shapes of grid-filling curves of order 6*n+1 (on the tri-hexagonal grid) with turns by +-60 and +-120 degrees that are generated by Lindenmayer-systems with just one symbol apart from the turns.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =10a(4) =63a(5) =157a(6) =456a(7) =1830a(8) =0a(9) =8538a(10) =23114a(11) =61804a(12) =165123a(13) =0a(14) =2339000
External references
- oeis: A265686