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A366657 as a simple table

n a(n)
0 3
1 13
2 84
3 800
4 4356
5 51792
6 351120
7 3100240
8 17041416
9 211053040
10 1494039792
11 12611914848
12 73234343952
13 794382536272
14 5936210280000
15 60037292774400
16 282937726148616
17 3264911394064320
18 24128875076496960
19 208532141890460960
20 1225825603154905104

[3,13,84,800,4356,51792,351120,3100240,17041416,
 211053040,1494039792,12611914848,73234343952,
 794382536272,5936210280000,60037292774400,
 282937726148616,3264911394064320,
 24128875076496960,208532141890460960,
 1225825603154905104]

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Last modified June 17 00:51 EDT 2024. Contains 373432 sequences. (Running on oeis4.)