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A220855
as a simple table
n
a(n)
1
1
2
6
3
39
4
100
5
180
6
282
7
406
8
552
9
720
10
910
[1,6,39,100,180,282,406,552,720,910]
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Last modified April 20 03:03 EDT 2024. Contains 371798 sequences. (Running on oeis4.)