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A223396 as a simple table

n a(n)
1 48
2 328
3 2360
4 17280
5 127464
6 943016
7 6985008
8 51763176
9 383669400
10 2843977792
11 21081830152
12 156277203016
13 1158470626096
14 8587668090888
15 63659878472312
16 471907077858304
17 3498220894515624
18 25932117973637736
19 192233359691316016

[48,328,2360,17280,127464,943016,6985008,51763176,
 383669400,2843977792,21081830152,156277203016,
 1158470626096,8587668090888,63659878472312,
 471907077858304,3498220894515624,
 25932117973637736,192233359691316016]

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Last modified May 19 16:50 EDT 2022. Contains 353847 sequences. (Running on oeis4.)