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A261052 as a simple table

n a(n)
0 1
1 1
2 2
3 8
4 31
5 157
6 915
7 6213
8 48240
9 423398
10 4147775
11 44882107
12 531564195
13 6837784087
14 94909482330
15 1413561537884
16 22482554909451
17 380269771734265
18 6815003300096013
19 128992737080703803
20 2571218642722865352
21 53835084737513866662
22 1181222084520177393143

[1,1,2,8,31,157,915,6213,48240,423398,4147775,
 44882107,531564195,6837784087,94909482330,
 1413561537884,22482554909451,380269771734265,
 6815003300096013,128992737080703803,
 2571218642722865352,53835084737513866662,
 1181222084520177393143]

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)