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A295115 as a simple table

n a(n)
1 3
2 9
3 26
4 77
5 226
6 665
7 1960
8 5769
9 16983
10 49998
11 147198
12 433361
13 1275825
14 3756068
15 11058011
16 32555211
17 95843749
18 282167522
19 830711657
20 2445646047
21 7200072866
22 21197281911
23 62405585330
24 183724361820
25 540891347189
26 1592404221036

[3,9,26,77,226,665,1960,5769,16983,49998,147198,
 433361,1275825,3756068,11058011,32555211,95843749,
 282167522,830711657,2445646047,7200072866,
 21197281911,62405585330,183724361820,540891347189,
 1592404221036]

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Last modified May 19 17:07 EDT 2022. Contains 353847 sequences. (Running on oeis4.)