A023893 - OEIS

A023893 as a simple table

n	a(n)
0	1
1	1
2	2
3	3
4	5
5	7
6	10
7	14
8	20
9	27
10	36
11	48
12	63
13	82
14	105
15	134
16	171
17	215
18	269
19	335
20	415
21	511
22	626
23	764
24	929
25	1125
26	1356
27	1631
28	1953
29	2333
30	2776
31	3296
32	3903
33	4608
34	5427
35	6377
36	7476
37	8744
38	10205
39	11886
40	13818
41	16032
42	18565
43	21463
44	24768
45	28536

[1,1,2,3,5,7,10,14,20,27,36,48,63,82,105,134,171, 215,269,335,415,511,626,764,929,1125,1356,1631, 1953,2333,2776,3296,3903,4608,5427,6377,7476,8744, 10205,11886,13818,16032,18565,21463,24768,28536]