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A297987 as a simple table

n a(n)
1 0
2 4
3 48
4 466
5 5100
6 74675
7 1276012
8 30240388
9 1056360518
10 50037661325
11 3406737828874
12 353272517327686
13 52791942245108114 

[0,4,48,466,5100,74675,1276012,30240388,
 1056360518,50037661325,3406737828874,
 353272517327686,52791942245108114]

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Last modified April 23 16:28 EDT 2024. Contains 371916 sequences. (Running on oeis4.)