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A146702 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 9
10 19
11 33
12 65
13 197
14 769
15 3257
16 13441
17 53529
18 253559
19 1417627
20 9502081
21 68675873
22 543081895
23 4543747499

[1,1,1,1,1,1,1,3,9,19,33,65,197,769,3257,13441,
 53529,253559,1417627,9502081,68675873,543081895,
 4543747499]

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Last modified November 27 07:28 EST 2021. Contains 349365 sequences. (Running on oeis4.)