4-dimensional analog of centered polygonal numbers: a(n) = n(n+1)*(n^2+n+4)/12.

Terms

a(0) =0a(1) =1a(2) =5a(3) =16a(4) =40a(5) =85a(6) =161a(7) =280a(8) =456a(9) =705a(10) =1045a(11) =1496a(12) =2080a(13) =2821a(14) =3745a(15) =4880a(16) =6256a(17) =7905a(18) =9861a(19) =12160a(20) =14840a(21) =17941a(22) =21505a(23) =25576a(24) =30200a(25) =35425a(26) =41301a(27) =47880a(28) =55216a(29) =63365