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A192186 as a simple table

n a(n)
0 1
1 2
2 6
3 15
4 56
5 120
6 495
7 2002
8 4368
9 18564
10 38760
11 170544
12 735471
13 1562275
14 6906900
15 14307150
16 64512240
17 131128140
18 600805296
19 2707475148
20 5586853480
21 25518731280
22 51915526432
23 239877544005
24 1093260079344
25 2250829575120
26 10363194502115

[1,2,6,15,56,120,495,2002,4368,18564,38760,170544,
 735471,1562275,6906900,14307150,64512240,
 131128140,600805296,2707475148,5586853480,
 25518731280,51915526432,239877544005,
 1093260079344,2250829575120,10363194502115]

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Last modified October 6 18:21 EDT 2022. Contains 357270 sequences. (Running on oeis4.)