A027338 - OEIS

A027338 as a simple table

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	6
6	9
7	12
8	17
9	23
10	31
11	41
12	55
13	71
14	93
15	120
16	154
17	196
18	250
19	314
20	396
21	495
22	617
23	765
24	948
25	1166
26	1434
27	1755
28	2143
29	2607
30	3168
31	3832
32	4631
33	5578
34	6706
35	8041
36	9628
37	11494
38	13705
39	16302
40	19361
41	22946
42	27159
43	32076
44	37837
45	44551
46	52384
47	61493

[1,1,2,3,4,6,9,12,17,23,31,41,55,71,93,120,154, 196,250,314,396,495,617,765,948,1166,1434,1755, 2143,2607,3168,3832,4631,5578,6706,8041,9628, 11494,13705,16302,19361,22946,27159,32076,37837, 44551,52384,61493]