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A146376 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 5
7 13
8 31
9 121
10 491
11 3357
12 25639
13 206564
14 2153667
15 27375428
16 448457031
17 9212009681
18 222552225829
19 6521884144620
20 236096811899889
21 10628490855495893
22 594148587329565431
23 40503058557002692998
24 3359157855652125960413

[1,1,1,1,1,5,13,31,121,491,3357,25639,206564,
 2153667,27375428,448457031,9212009681,
 222552225829,6521884144620,236096811899889,
 10628490855495893,594148587329565431,
 40503058557002692998,3359157855652125960413]

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Last modified October 18 00:51 EDT 2019. Contains 328135 sequences. (Running on oeis4.)