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A201338 as a simple table

n a(n)
1 1
2 4
3 24
4 196
5 2040
6 25924
7 390264
8 6804676
9 135033720
10 3007364164
11 74315818104
12 2018441506756
13 59776933889400
14 1917312391176004
15 66216538949389944
16 2449977966210378436
17 96685769287005577080
18 4053944607498740773444
19 179973441341757042161784
20 8433644996370680262923716

[1,4,24,196,2040,25924,390264,6804676,135033720,
 3007364164,74315818104,2018441506756,
 59776933889400,1917312391176004,66216538949389944,
 2449977966210378436,96685769287005577080,
 4053944607498740773444,179973441341757042161784,
 8433644996370680262923716]

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Last modified April 23 09:48 EDT 2024. Contains 371905 sequences. (Running on oeis4.)