Number of free poly-IH15-tiles (polydrops) (holes allowed) with n cells.
A197960
Number of free poly-IH15-tiles (polydrops) (holes allowed) with n cells.
Terms
- a(0) =1a(1) =3a(2) =7a(3) =28a(4) =98a(5) =432a(6) =1846a(7) =8455a(8) =38764a(9) =181840a(10) =858387a(11) =4093460a(12) =19635210a(13) =94757550
External references
- oeis: A197960