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Search: id:A015919
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A015919 Numbers n such that n | 2^n - 2. +0
3
1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 341, 347, 349, 353, 359, 367 (list; graph; listen)
OFFSET

1,2

COMMENT

Includes 341 which is first pseudoprime to base 2 and distinguishes sequence from A008578.

FORMULA

A015919 = {1} + A000040 + A001567 = A001567 + A008578. - Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 07 2003

CROSSREFS

Cf. A000040, A001567, A008578.

Sequence in context: A000040 A008578 A100726 this_sequence A064555 A095320 A077359

Adjacent sequences: A015916 A015917 A015918 this_sequence A015920 A015921 A015922

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com)

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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