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A069700 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
15 190
16 496
17 595
18 990
19 5995

[0,1,3,6,10,15,21,28,36,45,55,66,78,91,190,496,
 595,990,5995]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)