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A268371 as a simple table

n a(n)
1 1
2 1
3 2
4 1
5 6
6 24
7 1
8 12
9 181
10 1051
11 1
12 30
13 941
14 21992
15 238048
16 1
17 65
18 4662
19 228013
20 9735647
21 195284973
22 1
23 158
24 23691
25 2337694
26 195616247
27 15256715219
28 577169894573

[1,1,2,1,6,24,1,12,181,1051,1,30,941,21992,238048,
 1,65,4662,228013,9735647,195284973,1,158,23691,
 2337694,195616247,15256715219,577169894573]

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Last modified April 16 04:38 EDT 2024. Contains 371696 sequences. (Running on oeis4.)