Positive numbers differing from next 3 greater squares by squares.

Terms

a(0) =720a(1) =5040a(2) =5760a(3) =10080a(4) =20160a(5) =22176a(6) =28800a(7) =56160a(8) =60480a(9) =100800a(10) =126720a(11) =134640a(12) =151200a(13) =187200a(14) =248976a(15) =262080a(16) =282240a(17) =332640a(18) =428400a(19) =443520a(20) =463680a(21) =665280a(22) =677376a(23) =734400a(24) =763776a(25) =887040a(26) =1108800a(27) =1149120a(28) =1190160a(29) =1235520