Numbers k for which sigma(k) - 4k exceeds sigma(j) - 4j for all j < k.

Terms

a(0) =1a(1) =27720a(2) =50400a(3) =55440a(4) =83160a(5) =110880a(6) =166320a(7) =221760a(8) =277200a(9) =332640a(10) =360360a(11) =443520a(12) =471240a(13) =498960a(14) =554400a(15) =655200a(16) =665280a(17) =720720a(18) =942480a(19) =1053360a(20) =1081080a(21) =1330560a(22) =1413720a(23) =1441440a(24) =1663200a(25) =1801800a(26) =1884960a(27) =2106720a(28) =2162160a(29) =2827440