Number of partitions of n into an even number of relatively prime parts.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =7a(7) =9a(8) =13a(9) =18a(10) =27a(11) =32a(12) =49a(13) =61a(14) =82a(15) =106a(16) =146a(17) =176a(18) =242a(19) =293a(20) =384a(21) =477a(22) =623a(23) =744a(24) =970a(25) =1174a(26) =1484a(27) =1796a(28) =2274a(29) =2702