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A211901 as a simple table

n a(n)
1 0
2 0
3 15
4 1198
5 36845
6 481826
7 3783481
8 21275955
9 94456783
10 351372295
11 1138865701
12 3304768611
13 8756290720 

[0,0,15,1198,36845,481826,3783481,21275955,
 94456783,351372295,1138865701,3304768611,
 8756290720]

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Last modified May 31 22:12 EDT 2024. Contains 373007 sequences. (Running on oeis4.)