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A150781 as a simple table

n a(n)
0 1
1 2
2 8
3 30
4 134
5 558
6 2598
7 11482
8 54330
9 247658
10 1185087
11 5507642
12 26549870
13 125054453
14 605935016
15 2881536153
16 14016692100
17 67135696027
18 327558404737
19 1577649495853
20 7715950487797
21 37326948831287
22 182917862593182
23 888045302300415
24 4358927495843082
25 21224253595654626
26 104322256244653467

[1,2,8,30,134,558,2598,11482,54330,247658,1185087,
 5507642,26549870,125054453,605935016,2881536153,
 14016692100,67135696027,327558404737,
 1577649495853,7715950487797,37326948831287,
 182917862593182,888045302300415,4358927495843082,
 21224253595654626,104322256244653467]

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)