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A146646 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 7
10 13
11 27
12 41
13 115
14 303
15 1555
16 4709
17 23865
18 76741
19 449473
20 1923409
21 15857735
22 84725491

[1,1,1,1,1,1,1,1,7,13,27,41,115,303,1555,4709,
 23865,76741,449473,1923409,15857735,84725491]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)