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A147065 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 4
8 7
9 20
10 27
11 84
12 153
13 692
14 1605
15 7549
16 19036
17 103045
18 315223
19 2201412
20 8341738
21 68161042
22 299153867
23 2851751081
24 14915115066

[1,1,1,1,1,1,4,7,20,27,84,153,692,1605,7549,19036,
 103045,315223,2201412,8341738,68161042,299153867,
 2851751081,14915115066]

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Last modified May 19 08:46 EDT 2022. Contains 353826 sequences. (Running on oeis4.)