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A123029 as a simple table

n a(n)
1 1
2 1
3 2
4 3
5 10
6 24
7 130
8 504
9 4420
10 27720
11 393380
12 3991680
13 91657540
14 1504863360
15 55911099400
16 1485300136320
17 89290025741800
18 3838015552250880
19 373321597626465800
20 25964175210977203200
21 4086378207619294646800

[1,1,2,3,10,24,130,504,4420,27720,393380,3991680,
 91657540,1504863360,55911099400,1485300136320,
 89290025741800,3838015552250880,
 373321597626465800,25964175210977203200,
 4086378207619294646800]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)