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A155867 as a simple table

n a(n)
0 1
1 3
2 13
3 65
4 355
5 2061
6 12501
7 78323
8 503033
9 3294373
10 21916883
11 147708777
12 1006330457
13 6919474163
14 47956087733
15 334658965641
16 2349535729811
17 16583609673797
18 117608812053277
19 837626242775875
20 5988634758319665

[1,3,13,65,355,2061,12501,78323,503033,3294373,
 21916883,147708777,1006330457,6919474163,
 47956087733,334658965641,2349535729811,
 16583609673797,117608812053277,837626242775875,
 5988634758319665]

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Last modified May 24 06:28 EDT 2024. Contains 372772 sequences. (Running on oeis4.)