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A171277 as a simple table

n a(n)
1 3
2 9
3 26
4 74
5 211
6 600
7 1674
8 4715
9 13195
10 36879
11 101640
12 283834
13 780315
14 2174226
15 5966025
16 16503544
17 45368343
18 124910711
19 340562430
20 941140452
21 2565147930
22 7020803047
23 19209921738
24 52557083220

[3,9,26,74,211,600,1674,4715,13195,36879,101640,
 283834,780315,2174226,5966025,16503544,45368343,
 124910711,340562430,941140452,2565147930,
 7020803047,19209921738,52557083220]

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Last modified June 29 04:45 EDT 2024. Contains 373826 sequences. (Running on oeis4.)