login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A341622 as a simple table

na(n)
13
26
37
414
528
631
762
8124
9127
10248
11254
12496
13508
141016
152032
164064
178128
188191
1916382
2032764
2165528
22131056
23131071
24262112
25262142
26524224
27524284
28524287
291048448
301048568
311048574
322096896
332097136
342097148
354193792
364194272
374194296
388387584
398388544
408388592
4116775168
4216777088
4316777184
4433550336
4533554176
4633554368

[3,6,7,14,28,31,62,124,127,248,254,496,508,1016,
 2032,4064,8128,8191,16382,32764,65528,131056,
 131071,262112,262142,524224,524284,524287,1048448,
 1048568,1048574,2096896,2097136,2097148,4193792,
 4194272,4194296,8387584,8388544,8388592,16775168,
 16777088,16777184,33550336,33554176,33554368]