%I
%S 8,9,19,23,25,26,34,39,58,64,66,68,82,83,84,86,108,109,117,118,128,
%T 129,130,134,136,150,151,175,176,178,179,194,197,227,231,234,240,241,
%U 248,258,259,275,276,278,281,309,315,316,317,330,331,332,336,337,339,340
%N m.2^n1 is prime for exactly one coefficient m in the range 0<=m<=n.
%C For corresponding coefficient values see A061415.
%Y Cf. A061410A061415.
%K nonn
%O 0,1
%A _Patrick De Geest_, May 15 2001.
