Number of chiral n-ominoes in (n-1)-space, one cell labeled.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =8a(6) =16a(7) =34a(8) =75a(9) =166a(10) =370a(11) =841a(12) =1937a(13) =4488a(14) =10470a(15) =24617a(16) =58237a(17) =138435a(18) =330563a(19) =792745a(20) =1908379a(21) =4609434a(22) =11167781a(23) =27134824a(24) =66102921a(25) =161417867a(26) =395042562a(27) =968791315a(28) =2380383481a(29) =5859176855