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A181707 Numbers of the form m=2^(t-1)*(2^t-33), where 2^t-33 is prime. 0
992, 28544, 122624, 507392, 34355412992, 8796023816192, 140737211531264, 144115179217485824, 9671406556844465630216192, 162259276829213066154002603835392, 11417981541647679048463794346093005918389141504 (list; graph; refs; listen; history; text; internal format)
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 - A181706, A175989.

Sequence in context: A010463 A183973 A181601 * A035857 A028513 A267119

Adjacent sequences:  A181704 A181705 A181706 * A181708 A181709 A181710

KEYWORD

nonn

AUTHOR

Vladimir Shevelev, Nov 06 2010

EXTENSIONS

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

STATUS

approved

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Last modified April 12 11:51 EDT 2021. Contains 342920 sequences. (Running on oeis4.)