Number of one-sided poly-[3.6.3.6]-tiles (holes allowed) with n cells (division into rhombi is significant).
A197460
Number of one-sided poly-[3.6.3.6]-tiles (holes allowed) with n cells (division into rhombi is significant).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =6a(4) =19a(5) =49a(6) =143a(7) =403a(8) =1235a(9) =3681a(10) =11354a(11) =34944a(12) =108956a(13) =340635a(14) =1072593a(15) =3388161a(16) =10751029a(17) =34217608a(18) =109255023a(19) =349750874a(20) =1122436127a(21) =3610017340
External references
- oeis: A197460