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A307900 as a simple table

n a(n)
1 1
2 2
3 4
4 10
5 24
6 61
7 150
8 382
9 964
10 2452
11 6307
12 16379
13 42989
14 113965
15 305035
16 823632
17 2241814
18 6145670
19 16956972
20 47059076
21 131279567 

[1,2,4,10,24,61,150,382,964,2452,6307,16379,42989,
 113965,305035,823632,2241814,6145670,16956972,
 47059076,131279567]

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Last modified September 16 15:08 EDT 2024. Contains 375976 sequences. (Running on oeis4.)