A025773 - OEIS

A025773 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	4
9	4
10	4
11	5
12	6
13	6
14	7
15	8
16	9
17	9
18	10
19	11
20	12
21	13
22	14
23	15
24	16
25	17
26	18
27	19
28	21
29	22
30	23
31	24
32	26
33	27
34	28
35	30
36	32
37	33
38	34
39	36
40	38
41	39
42	41
43	43
44	45
45	46
46	48
47	50
48	52
49	54
50	56
51	58
52	60
53	62
54	64
55	66
56	69
57	71
58	73
59	75

[1,1,1,1,2,2,2,3,4,4,4,5,6,6,7,8,9,9,10,11,12,13, 14,15,16,17,18,19,21,22,23,24,26,27,28,30,32,33, 34,36,38,39,41,43,45,46,48,50,52,54,56,58,60,62, 64,66,69,71,73,75]

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	4
9	4
10	4
11	5
12	6
13	6
14	7
15	8
16	9
17	9
18	10
19	11
20	12
21	13
22	14
23	15
24	16
25	17
26	18
27	19
28	21
29	22
30	23
31	24
32	26
33	27
34	28
35	30
36	32
37	33
38	34
39	36
40	38
41	39
42	41
43	43
44	45
45	46
46	48
47	50
48	52
49	54
50	56
51	58
52	60
53	62
54	64
55	66
56	69
57	71
58	73
59	75

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	4
9	4
10	4
11	5
12	6
13	6
14	7
15	8
16	9
17	9
18	10
19	11
20	12
21	13
22	14
23	15
24	16
25	17
26	18
27	19
28	21
29	22
30	23
31	24
32	26
33	27
34	28
35	30
36	32
37	33
38	34
39	36
40	38
41	39
42	41
43	43
44	45
45	46
46	48
47	50
48	52
49	54
50	56
51	58
52	60
53	62
54	64
55	66
56	69
57	71
58	73
59	75

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	4
9	4
10	4
11	5
12	6
13	6
14	7
15	8
16	9
17	9
18	10
19	11
20	12
21	13
22	14
23	15
24	16
25	17
26	18
27	19
28	21
29	22
30	23
31	24
32	26
33	27
34	28
35	30
36	32
37	33
38	34
39	36
40	38
41	39
42	41
43	43
44	45
45	46
46	48
47	50
48	52
49	54
50	56
51	58
52	60
53	62
54	64
55	66
56	69
57	71
58	73
59	75