a(n) is the number of n-celled fixed rounded polyominoes.
A362223
a(n) is the number of n-celled fixed rounded polyominoes.
Terms
- a(0) =1a(1) =4a(2) =20a(3) =113a(4) =682a(5) =4294a(6) =27830a(7) =184240a(8) =1239575a(9) =8446660a(10) =58150684a(11) =403735761
External references
- oeis: A362223