Find the odd man out
7, 8, 18, 57, 228, 1165, 6996
Choose the correct choice from the following choices:
A) 8
B) 18
C) 57
D) 228
E) 258
7   7*1+1= 
<gadget id="calculator">7*1+1</gadget>
<output>8</output>
8   8*2+2= 
<gadget id="calculator">8*2+2</gadget>
<output>18</output>
18   18*3+3= 
<gadget id="calculator">18*3+3</gadget>
<output>57</output>
57   57*4+4= 
<gadget id="calculator">57*4+4</gadget>
<output>232</output>
232   232*5+5= 
<gadget id="calculator">232*5+5</gadget>
<output>1_165</output>
1165 and so on   ANSWER:228
<result>D</result>
Find the odd man out
7, 8, 18, 57, 228, 1165, 6996