Number of integer partitions of n that are either constant or relatively prime.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =10a(7) =15a(8) =20a(9) =29a(10) =37a(11) =56a(12) =68a(13) =101a(14) =122a(15) =170a(16) =213a(17) =297a(18) =352a(19) =490a(20) =587a(21) =778a(22) =948a(23) =1255a(24) =1488a(25) =1953a(26) =2337a(27) =2983a(28) =3585a(29) =4565