Numbers m such that 6*m+1 is a perfect square.

Terms

a(0) =0a(1) =4a(2) =8a(3) =20a(4) =28a(5) =48a(6) =60a(7) =88a(8) =104a(9) =140a(10) =160a(11) =204a(12) =228a(13) =280a(14) =308a(15) =368a(16) =400a(17) =468a(18) =504a(19) =580a(20) =620a(21) =704a(22) =748a(23) =840a(24) =888a(25) =988a(26) =1040a(27) =1148a(28) =1204a(29) =1320