Number of partitions of n into relatively prime parts. Also aperiodic partitions.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =7a(7) =14a(8) =17a(9) =27a(10) =34a(11) =55a(12) =63a(13) =100a(14) =119a(15) =167a(16) =209a(17) =296a(18) =347a(19) =489a(20) =582a(21) =775a(22) =945a(23) =1254a(24) =1481a(25) =1951a(26) =2334a(27) =2980a(28) =3580a(29) =4564