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A205800 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 25
5 121
6 361
7 841
8 21841
9 547345
10 4541041
11 23292721
12 169658281
13 7550279881
14 95230199065
15 692107448761
16 25431412450081
17 563675083228321
18 9791797014753121
19 112525775579561185
20 3370231071632996281
21 65798618669268652441
22 1345746844683430533961

[1,1,1,1,25,121,361,841,21841,547345,4541041,
 23292721,169658281,7550279881,95230199065,
 692107448761,25431412450081,563675083228321,
 9791797014753121,112525775579561185,
 3370231071632996281,65798618669268652441,
 1345746844683430533961]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)