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A000416 as a simple table

n a(n)
1 1
2 7
3 28
4 105
5 357
6 1197
7 3857
8 12300
9 38430
10 118874
11 362670
12 1095430
13 3271751
14 9673993
15 28310881
16 82033609
17 235359901
18 668779076
19 1882412994
20 5249817573
21 14510628853

[1,7,28,105,357,1197,3857,12300,38430,118874,
 362670,1095430,3271751,9673993,28310881,82033609,
 235359901,668779076,1882412994,5249817573,
 14510628853]

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Last modified August 7 23:50 EDT 2022. Contains 355995 sequences. (Running on oeis4.)