The largest prime factor of n*(n+1) equals 17. (Related to the abc conjecture.)

Terms

a(0) =16a(1) =17a(2) =33a(3) =34a(4) =50a(5) =51a(6) =84a(7) =119a(8) =135a(9) =153a(10) =169a(11) =220a(12) =255a(13) =272a(14) =288a(15) =374a(16) =441a(17) =560a(18) =594a(19) =714a(20) =832a(21) =935a(22) =1088a(23) =1155a(24) =1224a(25) =1274a(26) =1700a(27) =2057a(28) =2430a(29) =2499