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A129868 as a simple table

n a(n)
0 0
1 5
2 27
3 119
4 495
5 2015
6 8127
7 32639
8 130815
9 523775
10 2096127
11 8386559
12 33550335
13 134209535
14 536854527
15 2147450879
16 8589869055
17 34359607295
18 137438691327
19 549755289599
20 2199022206975
21 8796090925055
22 35184367894527
23 140737479966719
24 562949936644095

[0,5,27,119,495,2015,8127,32639,130815,523775,
 2096127,8386559,33550335,134209535,536854527,
 2147450879,8589869055,34359607295,137438691327,
 549755289599,2199022206975,8796090925055,
 35184367894527,140737479966719,562949936644095]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)