Number of 8-element subsets of {1, 2, ..., n} having pairwise coprime elements.

Terms

a(0) =8a(1) =8a(2) =73a(3) =75a(4) =79a(5) =81a(6) =420a(7) =428a(8) =719a(9) =750a(10) =1014a(11) =1056a(12) =3632a(13) =3640a(14) =10167a(15) =11603a(16) =12570a(17) =13180a(18) =14698a(19) =14930a(20) =36325a(21) =38118a(22) =41241a(23) =42243a(24) =92553a(25) =93093a(26) =186945a(27) =195339a(28) =203985a(29) =213681