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A030899 as a simple table

n a(n)
1 1
2 2
3 6
4 25
5 127
6 763
7 5345
8 42762
9 384866
10 3848661
11 42335281
12 508023378
13 6604303919
14 92460254879
15 1386903823194
16 22190461171116
17 377237839908977
18 6790281118361602
19 129015341248870443
20 2580306824977408861

[1,2,6,25,127,763,5345,42762,384866,3848661,
 42335281,508023378,6604303919,92460254879,
 1386903823194,22190461171116,377237839908977,
 6790281118361602,129015341248870443,
 2580306824977408861]

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Last modified August 13 21:35 EDT 2024. Contains 375144 sequences. (Running on oeis4.)