Number of polyominoes consisting of 7 regular unit n-gons.

Terms

a(0) =24a(1) =108a(2) =551a(3) =333a(4) =558a(5) =1605a(6) =4418a(7) =8350a(8) =17507a(9) =13512a(10) =17775a(11) =30467a(12) =55264a(13) =83252a(14) =134422a(15) =112514a(16) =135175a(17) =195122a(18) =294091a(19) =397852a(20) =566007a(21) =495773a(22) =568602a(23) =751172a(24) =1031920a(25) =1307384a(26) =1729686a(27) =1557663a(28) =1737915a(29) =2169846