A073470 - OEIS

A073470 as a simple table

n	a(n)
0	1
1	2
2	4
3	6
4	10
5	15
6	22
7	32
8	44
9	60
10	81
11	107
12	141
13	181
14	233
15	295
16	372
17	465
18	575
19	710
20	869
21	1059
22	1286
23	1549
24	1863
25	2225
26	2654
27	3149
28	3724
29	4391
30	5157
31	6043
32	7059
33	8220
34	9553
35	11066
36	12798
37	14760
38	16988
39	19509
40	22357
41	25576
42	29200
43	33274
44	37856
45	42985

[1,2,4,6,10,15,22,32,44,60,81,107,141,181,233,295, 372,465,575,710,869,1059,1286,1549,1863,2225,2654, 3149,3724,4391,5157,6043,7059,8220,9553,11066, 12798,14760,16988,19509,22357,25576,29200,33274, 37856,42985]