Number of Level 2 hexagonal polyominoes with cheesy blocks and n cells.
A167012
Number of Level 2 hexagonal polyominoes with cheesy blocks and n cells.
Terms
- a(0) =1a(1) =3a(2) =11a(3) =44a(4) =186a(5) =810a(6) =3582a(7) =15952a(8) =71242a(9) =318441a(10) =1423411a(11) =6360809a(12) =28415254a(13) =126900911a(14) =566604462a(15) =2529439891a(16) =11290673434a(17) =50394458326a(18) =224918228462
External references
- oeis: A167012