Sums of the products of n consecutive triples of numbers.

Terms

a(0) =0a(1) =60a(2) =396a(3) =1386a(4) =3570a(5) =7650a(6) =14490a(7) =25116a(8) =40716a(9) =62640a(10) =92400a(11) =131670a(12) =182286a(13) =246246a(14) =325710a(15) =423000a(16) =540600a(17) =681156a(18) =847476a(19) =1042530a(20) =1269450a(21) =1531530a(22) =1832226a(23) =2175156a(24) =2564100a(25) =3003000a(26) =3495960a(27) =4047246a(28) =4661286a(29) =5342670