A306904 - OEIS

A306904 as a simple table

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	3
8	4
9	4
10	5
11	5
12	5
13	6
14	6
15	6
16	7
17	7
18	8
19	8
20	8
21	9
22	9
23	9
24	10
25	10
26	11
27	11
28	11
29	12
30	12
31	12
32	13
33	13
34	14
35	14
36	14
37	15
38	15
39	15
40	16
41	16
42	17
43	17
44	17
45	18
46	18
47	18
48	19
49	19
50	19
51	20
52	20
53	21
54	21
55	21
56	22
57	22
58	22
59	23
60	23
61	24
62	24
63	24
64	25
65	25
66	25

[1,1,2,2,3,3,3,4,4,5,5,5,6,6,6,7,7,8,8,8,9,9,9,10, 10,11,11,11,12,12,12,13,13,14,14,14,15,15,15,16, 16,17,17,17,18,18,18,19,19,19,20,20,21,21,21,22, 22,22,23,23,24,24,24,25,25,25]

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	3
8	4
9	4
10	5
11	5
12	5
13	6
14	6
15	6
16	7
17	7
18	8
19	8
20	8
21	9
22	9
23	9
24	10
25	10
26	11
27	11
28	11
29	12
30	12
31	12
32	13
33	13
34	14
35	14
36	14
37	15
38	15
39	15
40	16
41	16
42	17
43	17
44	17
45	18
46	18
47	18
48	19
49	19
50	19
51	20
52	20
53	21
54	21
55	21
56	22
57	22
58	22
59	23
60	23
61	24
62	24
63	24
64	25
65	25
66	25

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	3
8	4
9	4
10	5
11	5
12	5
13	6
14	6
15	6
16	7
17	7
18	8
19	8
20	8
21	9
22	9
23	9
24	10
25	10
26	11
27	11
28	11
29	12
30	12
31	12
32	13
33	13
34	14
35	14
36	14
37	15
38	15
39	15
40	16
41	16
42	17
43	17
44	17
45	18
46	18
47	18
48	19
49	19
50	19
51	20
52	20
53	21
54	21
55	21
56	22
57	22
58	22
59	23
60	23
61	24
62	24
63	24
64	25
65	25
66	25

n	a(n)
1	1
2	1
3	2
4	2
5	3
6	3
7	3
8	4
9	4
10	5
11	5
12	5
13	6
14	6
15	6
16	7
17	7
18	8
19	8
20	8
21	9
22	9
23	9
24	10
25	10
26	11
27	11
28	11
29	12
30	12
31	12
32	13
33	13
34	14
35	14
36	14
37	15
38	15
39	15
40	16
41	16
42	17
43	17
44	17
45	18
46	18
47	18
48	19
49	19
50	19
51	20
52	20
53	21
54	21
55	21
56	22
57	22
58	22
59	23
60	23
61	24
62	24
63	24
64	25
65	25
66	25