Number of rooted 2-dimensional polyominoes with n heptagonal cells, with no symmetries removed.
A094168
Number of rooted 2-dimensional polyominoes with n heptagonal cells, with no symmetries removed.
Terms
- a(0) =1a(1) =7a(2) =42a(3) =252a(4) =1505a(5) =8946a(6) =53165a(7) =315980a(8) =1878597a(9) =11171930a(10) =66456082a(11) =395399760a(12) =2352979538a(13) =14004512886
External references
- oeis: A094168