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A290263 as a simple table

n a(n)
1 4
2 49
3 306
4 728
5 2021
6 3556
7 3740
8 5236
9 21360
10 35244
11 98210
12 243252
13 1096099
14 1625040
15 1662860
16 4976785
17 5080514
18 11408968
19 31622994
20 31831002
21 33587514
22 33599070
23 56568930
24 78167976
25 209645093
26 218297737
27 220158358
28 223289647
29 225150268
30 238764568
31 535850484

[4,49,306,728,2021,3556,3740,5236,21360,35244,
 98210,243252,1096099,1625040,1662860,4976785,
 5080514,11408968,31622994,31831002,33587514,
 33599070,56568930,78167976,209645093,218297737,
 220158358,223289647,225150268,238764568,535850484]

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Last modified September 19 17:35 EDT 2021. Contains 347564 sequences. (Running on oeis4.)