A181710 Near-perfect numbers (A181595) of the form m*2^p, where m = 2^(p-1)*(2^p-1) is a perfect number (A000396).
24, 224, 15872, 1040384, 274844352512, 1125891316908032, 72057456598974464, 4951760154835678090382802944, 6129982163463555430774932117031404988667342368173719552
Offset: 1
Keywords
Links
- Amiram Eldar, Table of n, a(n) for n = 1..14
Crossrefs
Programs
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Mathematica
With[{p = MersennePrimeExponent[Range[10]]}, 2^(2*p - 1)*(2^p - 1)] (* Amiram Eldar, Apr 29 2024 *)
Formula
Extensions
a(6)-a(9) from Amiram Eldar, Apr 29 2024