OFFSET
1,1
REFERENCES
M. Kraitchik, Recherches sur la Théorie des Nombres. Gauthiers-Villars, Paris, Vol. 1, 1924, Vol. 2, 1929, see Vol. 1, p. 64.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
MATHEMATICA
Select[Prime[Range[120]], MemberQ[Table[Mod[2^x-5, #], {x, 0, #}], 0]&] (* Jean-François Alcover, Aug 29 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Better description and more terms from David W. Wilson, Dec 12 2000
Description corrected by Joe K. Crump (joecr(AT)carolina.rr.com), Jan 17 2001
STATUS
approved