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A296582 as a simple table

n a(n)
1 3
2 9
3 22
4 62
5 172
6 480
7 1358
8 3849
9 10951
10 31232
11 89193
12 254996
13 729509
14 2087983
15 5978057
16 17119192
17 49030629
18 140440575
19 402295454
20 1152434018
21 3301409215
22 9457817513
23 27094931531
24 77622729861
25 222378228416
26 637084878266

[3,9,22,62,172,480,1358,3849,10951,31232,89193,
 254996,729509,2087983,5978057,17119192,49030629,
 140440575,402295454,1152434018,3301409215,
 9457817513,27094931531,77622729861,222378228416,
 637084878266]

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Last modified July 9 12:58 EDT 2024. Contains 374186 sequences. (Running on oeis4.)