Sum of the parts in the partitions of 4n into 4 parts with smallest part = 1.

Terms

a(0) =4a(1) =32a(2) =120a(3) =304a(4) =600a(5) =1056a(6) =1708a(7) =2560a(8) =3672a(9) =5080a(10) =6776a(11) =8832a(12) =11284a(13) =14112a(14) =17400a(15) =21184a(16) =25432a(17) =30240a(18) =35644a(19) =41600a(20) =48216a(21) =55528a(22) =63480a(23) =72192a(24) =81700a(25) =91936a(26) =103032a(27) =115024a(28) =127832a(29) =141600