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A180833 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 11
6 403
7 13194
8 232088
9 3338772
10 34074527
11 290017026
12 1971610995
13 11651785754
14 58783446024
15 266722410390
16 1076378114380
17 4003448283079
18 13607830717566
19 43384915194505
20 128790677366846
21 363254278026186

[0,0,0,0,11,403,13194,232088,3338772,34074527,
 290017026,1971610995,11651785754,58783446024,
 266722410390,1076378114380,4003448283079,
 13607830717566,43384915194505,128790677366846,
 363254278026186]

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Last modified April 19 12:14 EDT 2024. Contains 371792 sequences. (Running on oeis4.)