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A034681 as a simple table

n a(n)
1 1
2 129
3 2188
4 16385
5 78126
6 282252
7 823544
8 2097153
9 4782970
10 10078254
11 19487172
12 35850380
13 62748518
14 106237176
15 170939688
16 268435457
17 410338674
18 617003130
19 893871740
20 1280094510
21 1801914272
22 2513845188
23 3404825448

[1,129,2188,16385,78126,282252,823544,2097153,
 4782970,10078254,19487172,35850380,62748518,
 106237176,170939688,268435457,410338674,617003130,
 893871740,1280094510,1801914272,2513845188,
 3404825448]

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Last modified April 18 17:56 EDT 2024. Contains 371781 sequences. (Running on oeis4.)