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A138006 as a simple table

n a(n)
1 3
2 15
3 7
4 341
5 819
6 9709
7 2047
8 475107
9 31
10 3233097
11 5461
12 8388607
13 3556769739
14 31675383749
15 65498251203
16 575525617597
17 34359738367
18 549755813887
19 182518930210733
20 2047
21 37905296863701641
22 2251799813685247 

[3,15,7,341,819,9709,2047,475107,31,3233097,5461,
 8388607,3556769739,31675383749,65498251203,
 575525617597,34359738367,549755813887,
 182518930210733,2047,37905296863701641,
 2251799813685247]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)