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A099790 as a simple table

n a(n)
0 0
1 1
2 2
3 6
4 105
5 284
6 747
7 984
8 2230
9 5377
10 11513
11 15453
12 56611
13 140810
14 1282328
15 2175211
16 3328834
17 96073801
18 285626436
19 801855023
20 927833490

[0,1,2,6,105,284,747,984,2230,5377,11513,15453,
 56611,140810,1282328,2175211,3328834,96073801,
 285626436,801855023,927833490]

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)