A175870 - OEIS

A175870 as a simple table

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	6
6	8
7	11
8	14
9	18
10	23
11	29
12	35
13	43
14	52
15	62
16	73
17	86
18	100
19	116
20	133
21	152
22	173
23	196
24	220
25	247
26	276
27	307
28	340
29	376
30	414
31	455
32	498
33	544
34	593
35	645
36	699
37	757
38	818
39	882
40	949
41	1020
42	1094
43	1172
44	1253
45	1338
46	1427
47	1520
48	1616
49	1717
50	1822

[0,1,2,3,4,6,8,11,14,18,23,29,35,43,52,62,73,86, 100,116,133,152,173,196,220,247,276,307,340,376, 414,455,498,544,593,645,699,757,818,882,949,1020, 1094,1172,1253,1338,1427,1520,1616,1717,1822]