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A225211 as a simple table

n a(n)
1 2
2 3
3 4
4 7
5 8
6 20
7 26
8 31
9 127
10 532
11 954
12 2186
13 2524
14 8191
15 104944
16 131071
17 524287
18 918080
19 1594322
20 10368512
21 26100416
22 2147483647
23 24708617408
24 25316030960
25 35053995440
26 45883878740

[2,3,4,7,8,20,26,31,127,532,954,2186,2524,8191,
 104944,131071,524287,918080,1594322,10368512,
 26100416,2147483647,24708617408,25316030960,
 35053995440,45883878740]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)