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A109443 as a simple table

n a(n)
1 1
2 3
3 6
4 10
5 15
6 20
7 27
8 35
9 44
10 53
11 64
12 75
13 88
14 101
15 114
16 130
17 147
18 164
19 183
20 202
21 221
22 240
23 263
24 286
25 311
26 336
27 363
28 390
29 419
30 448
31 479
32 511
33 543
34 575
35 607
36 639
37 676
38 713
39 750
40 787
41 828
42 869
43 912
44 955
45 998

[1,3,6,10,15,20,27,35,44,53,64,75,88,101,114,130,
 147,164,183,202,221,240,263,286,311,336,363,390,
 419,448,479,511,543,575,607,639,676,713,750,787,
 828,869,912,955,998]

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Last modified December 2 15:00 EST 2022. Contains 358510 sequences. (Running on oeis4.)