Product of n^2 and n-th tetrahedral number: a(n) = n^3*(n+1)*(n+2)/6.

Terms

a(0) =0a(1) =1a(2) =16a(3) =90a(4) =320a(5) =875a(6) =2016a(7) =4116a(8) =7680a(9) =13365a(10) =22000a(11) =34606a(12) =52416a(13) =76895a(14) =109760a(15) =153000a(16) =208896a(17) =280041a(18) =369360a(19) =480130a(20) =616000a(21) =781011a(22) =979616a(23) =1216700a(24) =1497600a(25) =1828125a(26) =2214576a(27) =2663766a(28) =3183040a(29) =3780295