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A151480 as a simple table

n a(n)
0 1
1 0
2 3
3 3
4 30
5 65
6 434
7 1384
8 7847
9 30749
10 162310
11 714126
12 3667411
13 17254387
14 88023109
15 431259271
16 2206144905
17 11092437052
18 57117060880
19 292296895499
20 1516673564569
21 7861699769116
22 41103663171314
23 215169677630869
24 1132925333732196
25 5977775212622087
26 31674824100293083
27 168233379153239317

[1,0,3,3,30,65,434,1384,7847,30749,162310,714126,
 3667411,17254387,88023109,431259271,2206144905,
 11092437052,57117060880,292296895499,
 1516673564569,7861699769116,41103663171314,
 215169677630869,1132925333732196,5977775212622087,
 31674824100293083,168233379153239317]

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Last modified May 26 13:25 EDT 2024. Contains 372826 sequences. (Running on oeis4.)