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A355180 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 4
5 10
6 20
7 35
8 6776
9 60564
10 352920
11 1663365
12 126625180
13 2361079006
14 27334747804
15 245495250455
16 11174333090480
17 328952158255400
18 6245314009946736
19 90576650639967369
20 3209305759254634740
21 122557203047084965810
22 3365068665450300234580

[0,0,0,0,4,10,20,35,6776,60564,352920,1663365,
 126625180,2361079006,27334747804,245495250455,
 11174333090480,328952158255400,6245314009946736,
 90576650639967369,3209305759254634740,
 122557203047084965810,3365068665450300234580]

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Last modified August 30 05:37 EDT 2024. Contains 375526 sequences. (Running on oeis4.)