A035991 - OEIS

A035991 as a simple table

n	a(n)
1	1
2	2
3	2
4	4
5	5
6	8
7	10
8	15
9	19
10	27
11	34
12	47
13	59
14	79
15	99
16	130
17	162
18	209
19	259
20	329
21	406
22	510
23	625
24	778
25	949
26	1170
27	1420
28	1738
29	2100
30	2553
31	3070
32	3710
33	4443
34	5340
35	6369
36	7618
37	9052
38	10777
39	12760
40	15130
41	17853
42	21088
43	24803
44	29193
45	34233
46	40158
47	46954

[1,2,2,4,5,8,10,15,19,27,34,47,59,79,99,130,162, 209,259,329,406,510,625,778,949,1170,1420,1738, 2100,2553,3070,3710,4443,5340,6369,7618,9052, 10777,12760,15130,17853,21088,24803,29193,34233, 40158,46954]