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A181707

Numbers of the form m=2^(t-1)*(2^t-33), where 2^t-33 is prime.

992, 28544, 122624, 507392, 34355412992, 8796023816192, 140737211531264, 144115179217485824, 9671406556844465630216192, 162259276829213066154002603835392, 11417981541647679048463794346093005918389141504

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OFFSET

1,1

COMMENTS

Generated by t= 6, 8, 9, 10, 18, 22, 24, 29, 42, 54, 77, 90, 102, 137,...

A subsequence of A181595 because the abundance of m is 32, and 32 divides 2^(t-1) and therefore divides m.

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Cf. A181595, A181701, A000396, A181703, A181704, A181705, A181706, A175989.

Sequence in context: A010463 A183973 A181601 * A035857 A028513 A373105

Adjacent sequences: A181704 A181705 A181706 * A181708 A181709 A181710

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Nov 06 2010

EXTENSIONS

Definition simplified and more terms added by R. J. Mathar, Nov 18 2010

STATUS

approved

URL: https://oeis.org/A181707

⇱ A181707 - OEIS