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A000051 as a simple table

n a(n)
0 2
1 3
2 5
3 9
4 17
5 33
6 65
7 129
8 257
9 513
10 1025
11 2049
12 4097
13 8193
14 16385
15 32769
16 65537
17 131073
18 262145
19 524289
20 1048577
21 2097153
22 4194305
23 8388609
24 16777217
25 33554433
26 67108865
27 134217729
28 268435457
29 536870913
30 1073741825
31 2147483649

[2,3,5,9,17,33,65,129,257,513,1025,2049,4097,8193,
 16385,32769,65537,131073,262145,524289,1048577,
 2097153,4194305,8388609,16777217,33554433,
 67108865,134217729,268435457,536870913,1073741825,
 2147483649]

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Last modified August 21 19:52 EDT 2017. Contains 290906 sequences.