Number of 4-dimensional partitions of n.

Terms

a(0) =1a(1) =5a(2) =15a(3) =45a(4) =120a(5) =326a(6) =835a(7) =2145a(8) =5345a(9) =13220a(10) =32068a(11) =76965a(12) =181975a(13) =425490a(14) =982615a(15) =2245444a(16) =5077090a(17) =11371250a(18) =25235790a(19) =55536870a(20) =121250185a(21) =262769080a(22) =565502405a(23) =1209096875a(24) =2569270050a(25) =5427963902a(26) =11404408525a(27) =23836421895a(28) =49573316740a(29) =102610460240