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A307083 as a simple table

n a(n)
0 1
1 1
2 4
3 28
4 292
5 4408
6 97432
7 3231256
8 164789104
9 13170099856
10 1670220282544
11 338692348412320
12 110327835695333920
13 57892877044109184160
14 49019180876700301391680
15 67044425508546158335526080
16 148216012413625321252632612160
17 529829556146109541834263919553920

[1,1,4,28,292,4408,97432,3231256,164789104,
 13170099856,1670220282544,338692348412320,
 110327835695333920,57892877044109184160,
 49019180876700301391680,
 67044425508546158335526080,
 148216012413625321252632612160,
 529829556146109541834263919553920]

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Last modified August 9 18:14 EDT 2024. Contains 375044 sequences. (Running on oeis4.)