Barely abundant numbers: abundant n such that sigma(n)/n < sigma(m)/m for all abundant numbers m<n, sigma(n) being the sum of the divisors of n.

A071927

Barely abundant numbers: abundant n such that sigma(n)/n < sigma(m)/m for all abundant numbers m<n, sigma(n) being the sum of the divisors of n.

Terms

    a(0) =12a(1) =18a(2) =20a(3) =70a(4) =88a(5) =104a(6) =464a(7) =650a(8) =1888a(9) =1952a(10) =4030a(11) =5830a(12) =8925a(13) =17816a(14) =26742a(15) =26778a(16) =26886a(17) =26898a(18) =26958a(19) =27042a(20) =27078a(21) =27102a(22) =27114a(23) =27138a(24) =27282a(25) =27294a(26) =27366a(27) =27402a(28) =27498a(29) =27546

External references