Number of partitions of 4n into 4 parts.

Terms

a(0) =1a(1) =5a(2) =15a(3) =34a(4) =64a(5) =108a(6) =169a(7) =249a(8) =351a(9) =478a(10) =632a(11) =816a(12) =1033a(13) =1285a(14) =1575a(15) =1906a(16) =2280a(17) =2700a(18) =3169a(19) =3689a(20) =4263a(21) =4894a(22) =5584a(23) =6336a(24) =7153a(25) =8037a(26) =8991a(27) =10018a(28) =11120a(29) =12300