Those pesky powers of 2

Excel 2007: The problem is that the 3rd column contains =a2*b2 ... (the first 500 numbers for 2\^32 pass, though...)


 13
 26
 49
 52
 81
 87
 93
 98
104
107
115
117
119
123
162
169
173
174
186

etc. etc.

Is there a pattern in there?