1, 13, 35, 67, 109, ____	Choose the correct choice from the following answers
A) 161	B) 154	C) 216	D) 158	E) none
1, 13, 35, 67, 109, .....   13=1+12   35=13+22   67=35+32   109=67+42   So 109+52= 
<gadget id="calculator">109+52</gadget>
<output>161</output>
161   161NSWER:161
<result>A</result>
1, 13, 35, 67, 109, ____