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A198693 as a simple table

n a(n)
0 2
1 11
2 47
3 191
4 767
5 3071
6 12287
7 49151
8 196607
9 786431
10 3145727
11 12582911
12 50331647
13 201326591
14 805306367
15 3221225471
16 12884901887
17 51539607551
18 206158430207
19 824633720831
20 3298534883327
21 13194139533311
22 52776558133247

[2,11,47,191,767,3071,12287,49151,196607,786431,
 3145727,12582911,50331647,201326591,805306367,
 3221225471,12884901887,51539607551,206158430207,
 824633720831,3298534883327,13194139533311,
 52776558133247]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)