Number of partitions of (3, n) into a sum of distinct pairs.

Terms

a(0) =2a(1) =5a(2) =9a(3) =17a(4) =27a(5) =42a(6) =64a(7) =93a(8) =132a(9) =185a(10) =254a(11) =343a(12) =459a(13) =605a(14) =790a(15) =1024a(16) =1314a(17) =1673a(18) =2118a(19) =2661a(20) =3324a(21) =4132a(22) =5107a(23) =6282a(24) =7695a(25) =9383a(26) =11396a(27) =13792a(28) =16629a(29) =19982