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A128321 as a simple table

n a(n)
0 1
1 1
2 4
3 17
4 98
5 622
6 4512
7 35373
8 300974
9 2722070
10 26118056
11 263266346
12 2780054884
13 30586452652
14 349724463584
15 4141218303165
16 50678688359190
17 639387728054310
18 8302396672724280
19 110754894628585950

[1,1,4,17,98,622,4512,35373,300974,2722070,
 26118056,263266346,2780054884,30586452652,
 349724463584,4141218303165,50678688359190,
 639387728054310,8302396672724280,
 110754894628585950]

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Last modified April 23 22:36 EDT 2024. Contains 371917 sequences. (Running on oeis4.)