Numbers k such that sigma(k) >= sigma(k-2) + sigma(k-1) + sigma(k+1) + sigma(k+2).

A226589

Numbers k such that sigma(k) >= sigma(k-2) + sigma(k-1) + sigma(k+1) + sigma(k+2).

Terms

    a(0) =183783600a(1) =232792560a(2) =273873600a(3) =367567200a(4) =410810400a(5) =441080640a(6) =465585120a(7) =547747200a(8) =551350800a(9) =575134560a(10) =612612000a(11) =616215600a(12) =698377680a(13) =735134400a(14) =745945200a(15) =821620800a(16) =845404560a(17) =882161280a(18) =908107200a(19) =931170240a(20) =944863920a(21) =958557600a(22) =1102701600a(23) =1127206080

External references