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A055270 as a simple table

n a(n)
0 1
1 5
2 36
3 252
4 1764
5 12348
6 86436
7 605052
8 4235364
9 29647548
10 207532836
11 1452729852
12 10169108964
13 71183762748
14 498286339236
15 3488004374652
16 24416030622564
17 170912214357948
18 1196385500505636
19 8374698503539452
20 58622889524776164
21 410360226673433148
22 2872521586714032036

[1,5,36,252,1764,12348,86436,605052,4235364,
 29647548,207532836,1452729852,10169108964,
 71183762748,498286339236,3488004374652,
 24416030622564,170912214357948,1196385500505636,
 8374698503539452,58622889524776164,
 410360226673433148,2872521586714032036]

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Last modified April 18 13:50 EDT 2024. Contains 371780 sequences. (Running on oeis4.)