Sum of cubes of the first n even numbers (A016743).

Terms

a(0) =0a(1) =8a(2) =72a(3) =288a(4) =800a(5) =1800a(6) =3528a(7) =6272a(8) =10368a(9) =16200a(10) =24200a(11) =34848a(12) =48672a(13) =66248a(14) =88200a(15) =115200a(16) =147968a(17) =187272a(18) =233928a(19) =288800a(20) =352800a(21) =426888a(22) =512072a(23) =609408a(24) =720000a(25) =845000a(26) =985608a(27) =1143072a(28) =1318688a(29) =1513800