[2,1,5,10,20,40,77,157,314,628,1256,2509,5021,
10042,20084,40168,80333,160669,321338,642676,
1285352,2570701,5141405,10282810,20565620,
41131240,82262477,164524957,329049914,658099828,
1316199656,2632399309,5264798621,10529597242,
21059194484,42118388968,84236777933,168473555869]
|