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A069693 as a simple table

n a(n)
1 0
2 1
3 3
4 6
5 10
6 15
7 21
8 28
9 36
10 45
11 55
12 66
13 78
14 91
15 105
16 300
17 406
18 703
19 903
20 3003
21 4005
22 8001

[0,1,3,6,10,15,21,28,36,45,55,66,78,91,105,300,
 406,703,903,3003,4005,8001]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)