Number of polyominoes consisting of 8 regular unit n-gons.

Terms

a(0) =66a(1) =369a(2) =2812a(3) =1448a(4) =2876a(5) =10102a(6) =34838a(7) =73675a(8) =181127a(9) =131801a(10) =185297a(11) =352375a(12) =725869a(13) =1180526a(14) =2104485a(15) =1694978a(16) =2123088a(17) =3291481a(18) =5402087a(19) =7739008a(20) =11832175a(21) =10079003a(22) =11917261a(23) =16624712a(24) =24389611a(25) =32317393a(26) =45260884