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A320980 as a simple table

n a(n)
6 0
7 1
8 7
9 514
10 4189
11 154261
12 1477381
13 44169020
14 493190771
15 13821362271
16 177705152975
17 4949371839867
18 72355179873697
19 2058206624313873
20 33818827542140211
21 995975339452380880
22 18206096557050382759
23 558929622195992201388
24 11264684856271486133087 

[0,1,7,514,4189,154261,1477381,44169020,493190771,
 13821362271,177705152975,4949371839867,
 72355179873697,2058206624313873,33818827542140211,
 995975339452380880,18206096557050382759,
 558929622195992201388,11264684856271486133087]

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Last modified April 24 13:49 EDT 2024. Contains 371958 sequences. (Running on oeis4.)