Number of integer partitions of n whose odd parts are relatively prime.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =7a(7) =11a(8) =16a(9) =22a(10) =32a(11) =43a(12) =60a(13) =80a(14) =110a(15) =140a(16) =194a(17) =244a(18) =327a(19) =410a(20) =544a(21) =670a(22) =883a(23) =1081a(24) =1401a(25) =1708a(26) =2195a(27) =2651a(28) =3382a(29) =4069