Primitive triangle numbers as defined in A218243.

Terms

a(0) =60a(1) =150a(2) =200a(3) =780a(4) =1530a(5) =1690a(6) =1950a(7) =2040a(8) =2100a(9) =2730a(10) =2860a(11) =3570a(12) =4056a(13) =4200a(14) =4350a(15) =4624a(16) =5100a(17) =5460a(18) =8120a(19) =8250a(20) =8670a(21) =8750a(22) =10812a(23) =11050a(24) =11900a(25) =12180a(26) =13260a(27) =13650a(28) =14060a(29) =14430