Number of partitions of n into 4 unordered relatively prime parts.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =8a(7) =11a(8) =12a(9) =18a(10) =20a(11) =26a(12) =29a(13) =39a(14) =39a(15) =54a(16) =54a(17) =69a(18) =73a(19) =94a(20) =89a(21) =119a(22) =118a(23) =144a(24) =145a(25) =185a(26) =169a(27) =225a(28) =215a(29) =259