Number of nonequivalent sets whose translations and reflections cover {1..n}.

Terms

a(0) =1a(1) =2a(2) =3a(3) =6a(4) =8a(5) =17a(6) =24a(7) =52a(8) =77a(9) =171a(10) =265a(11) =593a(12) =952a(13) =2131a(14) =3519a(15) =7846a(16) =13238a(17) =29351a(18) =50374a(19) =111031a(20) =193155a(21) =423403a(22) =744616a(23) =1624302a(24) =2881784a(25) =6260030a(26) =11186219a(27) =24213106a(28) =43522800a(29) =93922741