login

A020737 as a simple table

na(n)
05
19
217
333
465
5129
6257
7513
81025
92049
104097
118193
1216385
1332769
1465537
15131073
16262145
17524289
181048577
192097153
204194305
218388609
2216777217
2333554433
2467108865
25134217729
26268435457
27536870913
281073741825
292147483649
304294967297
318589934593

[5,9,17,33,65,129,257,513,1025,2049,4097,8193,
 16385,32769,65537,131073,262145,524289,1048577,
 2097153,4194305,8388609,16777217,33554433,
 67108865,134217729,268435457,536870913,1073741825,
 2147483649,4294967297,8589934593]