A175313 - OEIS

A175313 as a simple table

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	19
7	26
8	34
9	43
10	53
11	64
12	72
13	85
14	99
15	111
16	127
17	144
18	160
19	179
20	195
21	215
22	237
23	260
24	279
25	304
26	330
27	357
28	382
29	411
30	432
31	463
32	495
33	528
34	562
35	594
36	623
37	660
38	698
39	737
40	769
41	810
42	846
43	889
44	932
45	969
46	1015
47	1062
48	1104
49	1153
50	1203
51	1254
52	1305
53	1358
54	1410

[1,3,6,10,15,19,26,34,43,53,64,72,85,99,111,127, 144,160,179,195,215,237,260,279,304,330,357,382, 411,432,463,495,528,562,594,623,660,698,737,769, 810,846,889,932,969,1015,1062,1104,1153,1203,1254, 1305,1358,1410]