Number of chiral n-ominoes in n-1 space.

Terms

a(0) =1a(1) =0a(2) =0a(3) =1a(4) =1a(5) =1a(6) =2a(7) =5a(8) =9a(9) =15a(10) =31a(11) =70a(12) =146a(13) =300a(14) =656a(15) =1471a(16) =3258a(17) =7245a(18) =16400a(19) =37461a(20) =85773a(21) =197365a(22) =457297a(23) =1065070a(24) =2489750a(25) =5842741a(26) =13766775a(27) =32552087a(28) =77208432a(29) =183670145