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A122995 as a simple table

n a(n)
1 1
2 5
3 30
4 155
5 905
6 4780
7 27405
8 146905
9 832030
10 4504655
11 25305405
12 137921780
13 770556905
14 4218601405
15 23482524030
16 128947559155
17 716010659905
18 3939699638780
19 21839966136405
20 120332457105905
21 666331610516030
22 3674643038163655
23 20332933301064405
24 112199009255155780

[1,5,30,155,905,4780,27405,146905,832030,4504655,
 25305405,137921780,770556905,4218601405,
 23482524030,128947559155,716010659905,
 3939699638780,21839966136405,120332457105905,
 666331610516030,3674643038163655,
 20332933301064405,112199009255155780]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)