A023028 - OEIS

A023028 as a simple table

n	a(n)
8	1
9	1
10	2
11	3
12	5
13	7
14	11
15	15
16	21
17	29
18	39
19	52
20	68
21	89
22	113
23	146
24	180
25	230
26	281
27	351
28	423
29	525
30	621
31	764
32	897
33	1087
34	1268
35	1527
36	1756
37	2104
38	2410
39	2850
40	3248
41	3828
42	4317
43	5066
44	5696
45	6614
46	7418
47	8588
48	9542
49	11018
50	12218
51	13983
52	15477
53	17674
54	19414
55	22119
56	24264

[1,1,2,3,5,7,11,15,21,29,39,52,68,89,113,146,180, 230,281,351,423,525,621,764,897,1087,1268,1527, 1756,2104,2410,2850,3248,3828,4317,5066,5696,6614, 7418,8588,9542,11018,12218,13983,15477,17674, 19414,22119,24264]