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A221340
as a simple table
n
a(n)
1
0
2
758
3
49197
4
4072557
5
290087988
6
20842593371
7
1491982399481
8
107036118955682
[0,758,49197,4072557,290087988,20842593371, 1491982399481,107036118955682]
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Last modified April 19 18:05 EDT 2024. Contains 371798 sequences. (Running on oeis4.)