A266749 - OEIS

A266749 as a simple table

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	3
6	4
7	5
8	6
9	9
10	11
11	13
12	17
13	20
14	25
15	31
16	37
17	44
18	55
19	64
20	76
21	91
22	106
23	125
24	147
25	171
26	198
27	233
28	267
29	308
30	356
31	407
32	466
33	534
34	607
35	690
36	787
37	888
38	1004
39	1135
40	1277
41	1435
42	1614
43	1806
44	2021
45	2263
46	2520
47	2807
48	3126
49	3470
50	3849
51	4269
52	4720
53	5217
54	5765
55	6352
56	6995
57	7701
58	8459
59	9286
60	10190
61	11159
62	12214
63	13363
64	14592
65	15926
66	17374

[1,1,1,2,2,3,4,5,6,9,11,13,17,20,25,31,37,44,55, 64,76,91,106,125,147,171,198,233,267,308,356,407, 466,534,607,690,787,888,1004,1135,1277,1435,1614, 1806,2021,2263,2520,2807,3126,3470,3849,4269,4720, 5217,5765,6352,6995,7701,8459,9286,10190,11159, 12214,13363,14592,15926,17374]

[1,1,1,2,2,3,4,5,6,9,11,13,17,20,25,31,37,44,55,
 64,76,91,106,125,147,171,198,233,267,308,356,407,
 466,534,607,690,787,888,1004,1135,1277,1435,1614,
 1806,2021,2263,2520,2807,3126,3470,3849,4269,4720,
 5217,5765,6352,6995,7701,8459,9286,10190,11159,
 12214,13363,14592,15926,17374]