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A339290 as a simple table

n a(n)
1 1
2 1
3 2
4 5
5 13
6 36
7 103
8 306
9 930
10 2887
11 9100
12 29082
13 93951
14 306414
15 1007361
16 3335088
17 11108986
18 37203873
19 125193694
20 423099557
21 1435427202
22 4886975378
23 16690971648
24 57172387872
25 196358421066
26 676050576441
27 2332887221847
28 8067160995797
29 27950871439353
30 97019613539949

[1,1,2,5,13,36,103,306,930,2887,9100,29082,93951,
 306414,1007361,3335088,11108986,37203873,
 125193694,423099557,1435427202,4886975378,
 16690971648,57172387872,196358421066,676050576441,
 2332887221847,8067160995797,27950871439353,
 97019613539949]

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Last modified June 5 04:27 EDT 2024. Contains 373102 sequences. (Running on oeis4.)