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A179683 as a simple table

n a(n)
0 1
1 0
2 1
3 1
4 5
5 16
6 80
7 436
8 2877
9 21828
10 189877
11 1865175
12 20468437
13 248376198
14 3303397123
15 47785692843
16 746841034620
17 12538089887528
18 224955746518560
19 4294093811333388
20 86859002770470072
21 1855099612560598420
22 41698660497526383757

[1,0,1,1,5,16,80,436,2877,21828,189877,1865175,
 20468437,248376198,3303397123,47785692843,
 746841034620,12538089887528,224955746518560,
 4294093811333388,86859002770470072,
 1855099612560598420,41698660497526383757]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)