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A075473 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 30
5 653
6 13762
7 304295
8 7251598
9 187783369
10 5287733418
11 161516858963
12 5332258661782
13 189493508862461
14 7219703867130466
15 293780009979371503
16 12721918893479808030
17 584361555380576356625
18 28385640762100638931546

[0,0,0,1,30,653,13762,304295,7251598,187783369,
 5287733418,161516858963,5332258661782,
 189493508862461,7219703867130466,
 293780009979371503,12721918893479808030,
 584361555380576356625,28385640762100638931546]

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Last modified April 23 12:44 EDT 2024. Contains 371913 sequences. (Running on oeis4.)