A188279 - OEIS

A188279 as a simple table

n	a(n)
1	3
2	6
3	10
4	15
5	21
6	30
7	42
8	51
9	65
10	78
11	92
12	111
13	129
14	152
15	172
16	193
17	217
18	246
19	272
20	303
21	337
22	372
23	402
24	439
25	473
26	518
27	558
28	607
29	643
30	688
31	726
32	771
33	817
34	868
35	934
36	987
37	1037
38	1092
39	1158
40	1217
41	1277
42	1364
43	1422
44	1489
45	1559
46	1628
47	1686
48	1771
49	1847
50	1920
51	1996
52	2097

[3,6,10,15,21,30,42,51,65,78,92,111,129,152,172, 193,217,246,272,303,337,372,402,439,473,518,558, 607,643,688,726,771,817,868,934,987,1037,1092, 1158,1217,1277,1364,1422,1489,1559,1628,1686,1771, 1847,1920,1996,2097]