Find the odd man out
6, 13, 29, 61, 125, 253, 509  Choose the correct option:	A) 6	B) 13	C) 29	D) 125	E) 509
1*2+3= 
<gadget id="calculator">1*2+3</gadget>
<output>5</output>
5   5*2+3= 
<gadget id="calculator">5*2+3</gadget>
<output>13</output>
13   13*2+3= 
<gadget id="calculator">13*2+3</gadget>
<output>29</output>
29   29*2+3= 
<gadget id="calculator">29*2+3</gadget>
<output>61</output>
61   61*2+3= 
<gadget id="calculator">61*2+3</gadget>
<output>125</output>
125   125*2+3= 
<gadget id="calculator">125*2+3</gadget>
<output>253</output>
253   253*2+3= 
<gadget id="calculator">253*2+3</gadget>
<output>509</output>
509   6NSWER:6
<result>A</result>
Find the odd man out
6, 13, 29, 61, 125, 253, 509