A033298 - OEIS

A033298 as a simple table

n	a(n)
1	1
2	2
3	6
4	15
5	24
6	42
7	60
8	69
9	87
10	114
11	141
12	168
13	186
14	213
15	240
16	258
17	285
18	303
19	330
20	348
21	357
22	384
23	411
24	438
25	465
26	483
27	510
28	519
29	546
30	573
31	600
32	609
33	636
34	663
35	699
36	726
37	753
38	780
39	798
40	825
41	852
42	879
43	906
44	933
45	969
46	1005
47	1014
48	1041
49	1068
50	1086

[1,2,6,15,24,42,60,69,87,114,141,168,186,213,240, 258,285,303,330,348,357,384,411,438,465,483,510, 519,546,573,600,609,636,663,699,726,753,780,798, 825,852,879,906,933,969,1005,1014,1041,1068,1086]