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A047135 as a simple table

n a(n)
3 1
4 4
5 14
6 48
7 151
8 496
9 1679
10 4892
11 16099
12 55566
13 126070
14 437604
15 1610354
16 10586223
17 37753710
18 142615460
19 545804530
20 2501659594
21 9822392246
22 38387432220
23 149904480000
24 622664257407
25 2483093527816
26 9821396841402

[1,4,14,48,151,496,1679,4892,16099,55566,126070,
 437604,1610354,10586223,37753710,142615460,
 545804530,2501659594,9822392246,38387432220,
 149904480000,622664257407,2483093527816,
 9821396841402]

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Last modified May 15 01:22 EDT 2024. Contains 372536 sequences. (Running on oeis4.)