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A099197 as a simple table

n a(n)
0 0
1 1
2 20
3 201
4 1360
5 7001
6 29364
7 104881
8 329024
9 927441
10 2390004
11 5707449
12 12767184
13 26986089
14 54284244
15 104535009
16 193664256
17 346615329
18 601446996
19 1014889769
20 1669752016
21 2684641785
22 4226553716
23 6526963345
24 9902174016
25 14778775025
26 21725194036
27 31490462745

[0,1,20,201,1360,7001,29364,104881,329024,927441,
 2390004,5707449,12767184,26986089,54284244,
 104535009,193664256,346615329,601446996,
 1014889769,1669752016,2684641785,4226553716,
 6526963345,9902174016,14778775025,21725194036,
 31490462745]

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Last modified May 8 14:49 EDT 2024. Contains 372334 sequences. (Running on oeis4.)