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A221320 as a simple table

n a(n)
1 1
2 2
3 7
4 14
5 30
6 76
7 188
8 444
9 1075
10 2656
11 6499
12 15904
13 39257
14 97012
15 239836
16 594484
17 1476309
18 3670470
19 9137025
20 22774518
21 56827616
22 141930316
23 354803429
24 887699408
25 2222657891
26 5569118954
27 13963300515
28 35031289966
29 87937202200
30 220862633536

[1,2,7,14,30,76,188,444,1075,2656,6499,15904,
 39257,97012,239836,594484,1476309,3670470,9137025,
 22774518,56827616,141930316,354803429,887699408,
 2222657891,5569118954,13963300515,35031289966,
 87937202200,220862633536]

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Last modified May 16 17:27 EDT 2024. Contains 372554 sequences. (Running on oeis4.)