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A331881
as a simple table
n
a(n)
1
1
2
26
3
446
4
2796
5
86538
6
872117
7
1591292
8
66416662
[1,26,446,2796,86538,872117,1591292,66416662]
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Last modified April 19 14:04 EDT 2024. Contains 371792 sequences. (Running on oeis4.)