This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A181710 #14 Apr 29 2024 09:08:38
%S A181710 24,224,15872,1040384,274844352512,1125891316908032,72057456598974464,
%T A181710 4951760154835678090382802944,
%U A181710 6129982163463555430774932117031404988667342368173719552
%N A181710 Near-perfect numbers (A181595) of the form m*2^p, where m = 2^(p-1)*(2^p-1) is a perfect number (A000396).
%H A181710 Amiram Eldar, <a href="/A181710/b181710.txt">Table of n, a(n) for n = 1..14</a>
%F A181710 a(n) = A147538(A000043(n)). - _Amiram Eldar_, Apr 29 2024
%t A181710 With[{p = MersennePrimeExponent[Range[10]]}, 2^(2*p - 1)*(2^p - 1)] (* _Amiram Eldar_, Apr 29 2024 *)
%Y A181710 Subsequence of A181595 and A181702.
%Y A181710 Cf. A000043, A000396, A147538, A181596, A000396, A181701, A181702.
%K A181710 nonn
%O A181710 1,1
%A A181710 _Vladimir Shevelev_, Nov 07 2010
%E A181710 a(6)-a(9) from _Amiram Eldar_, Apr 29 2024