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A267912 as a simple table

n a(n)
1 1
2 2
3 4
4 11
5 29
6 77
7 201
8 525
9 1361
10 3525
11 9097
12 23453
13 60353
14 155189
15 398649
16 1023501
17 2626289
18 6736677
19 17274601
20 44286845
21 113516321
22 290925845
23 745515417
24 1910267373
25 4894426193
26 12539689989
27 32125783369
28 82301320541
29 210838008449

[1,2,4,11,29,77,201,525,1361,3525,9097,23453,
 60353,155189,398649,1023501,2626289,6736677,
 17274601,44286845,113516321,290925845,745515417,
 1910267373,4894426193,12539689989,32125783369,
 82301320541,210838008449]

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Last modified September 25 16:45 EDT 2020. Contains 337344 sequences. (Running on oeis4.)