Numbers m whose abundance sigma(m) - 2m = -4. Numbers whose deficiency is 4.

A125246

Numbers m whose abundance sigma(m) - 2m = -4. Numbers whose deficiency is 4.

Terms

    a(0) =5a(1) =14a(2) =44a(3) =110a(4) =152a(5) =884a(6) =2144a(7) =8384a(8) =18632a(9) =116624a(10) =8394752a(11) =15370304a(12) =73995392a(13) =536920064a(14) =2147581952a(15) =34360131584

External references