a(n) is the number of free n-celled unholey treelike polyominoes.
A350030
a(n) is the number of free n-celled unholey treelike polyominoes.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =11a(5) =27a(6) =82a(7) =250a(8) =815a(9) =2685a(10) =9072a(11) =30889a(12) =106290a(13) =367733a(14) =1279573a(15) =4470304a(16) =15676760a(17) =55147665
External references
- oeis: A350030