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A146857 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 17
10 17
11 49
12 49
13 249
14 249
15 3481
16 3481
17 80333
18 80333
19 1943801
20 1943801
21 59816323
22 59816323

[1,1,1,1,1,1,1,1,17,17,49,49,249,249,3481,3481,
 80333,80333,1943801,1943801,59816323,59816323]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)