Number of 2-anisohedral polyiamonds of order n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =5a(9) =23a(10) =43a(11) =38a(12) =85a(13) =274a(14) =259a(15) =324a(16) =326a(17) =1344a(18) =591a(19) =2348a(20) =1466a(21) =8240a(22) =1773a(23) =16608a(24) =3408a(25) =48372a(26) =5386a(27) =95189a(28) =9351a(29) =330833