Number of distinct values of the sum of i*(i-1) over 7 realizations of i in 0..n.

Terms

a(0) =1a(1) =8a(2) =21a(3) =39a(4) =66a(5) =96a(6) =134a(7) =178a(8) =232a(9) =285a(10) =353a(11) =422a(12) =501a(13) =586a(14) =676a(15) =773a(16) =881a(17) =989a(18) =1107a(19) =1232a(20) =1362a(21) =1500a(22) =1650a(23) =1798a(24) =1955a(25) =2121a(26) =2296a(27) =2472a(28) =2661a(29) =2855