%I A050915
%S A050915 1,5,33,193,1025,5121,24577,114689,524289,2359297,10485761,46137345,
%T A050915 201326593,872415233,3758096385,16106127361,68719476737,292057776129,
%U A050915 1236950581249,5222680231937,21990232555521,92358976733185
%N A050915 n*4^n+1.
%H A050915 Paul Leyland, <a href="http://www.leyland.vispa.com/numth/factorization/
               cullen_woodall/cw.htm">Factors of Cullen and Woodall numbers</a>
%H A050915 Paul Leyland, <a href="http://www.leyland.vispa.com/numth/factorization/
               cullen_woodall/gcw.htm">Generalized Cullen and Woodall numbers</a>
%Y A050915 Cf. A002064.
%Y A050915 Sequence in context: A135111 A050830 A146263 this_sequence A091056 A015544 
               A155597
%Y A050915 Adjacent sequences: A050912 A050913 A050914 this_sequence A050916 A050917 
               A050918
%K A050915 nonn
%O A050915 0,2
%A A050915 N. J. A. Sloane (njas(AT)research.att.com), Dec 30 1999