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A020534 as a simple table

n a(n)
0 21
1 408
2 23184
3 2298912
4 274767936
5 34561392768
6 4404491583744
7 563156132823552
8 72064191275467776
9 9223583144429488128
10 1180598376127589781504
11 151115943624696659976192
12 19342820031363781631164416
13 2475880299931694931871039488 

[21,408,23184,2298912,274767936,34561392768,
 4404491583744,563156132823552,72064191275467776,
 9223583144429488128,1180598376127589781504,
 151115943624696659976192,
 19342820031363781631164416,
 2475880299931694931871039488]

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Last modified April 25 09:49 EDT 2024. Contains 371967 sequences. (Running on oeis4.)