Number of partitions of n if there are two kinds of 1, two kinds of 2 and two kinds of 3.

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =19a(5) =33a(6) =57a(7) =92a(8) =147a(9) =227a(10) =345a(11) =512a(12) =752a(13) =1083a(14) =1545a(15) =2174a(16) =3031a(17) =4179a(18) =5719a(19) =7752a(20) =10438a(21) =13946a(22) =18519a(23) =24428a(24) =32051a(25) =41805a(26) =54265a(27) =70079a(28) =90102a(29) =115318