A219642 - OEIS

A219642 as a simple table

n	a(n)
0	0
1	1
2	2
3	3
4	3
5	4
6	4
7	5
8	6
9	6
10	7
11	7
12	7
13	8
14	8
15	9
16	9
17	9
18	10
19	10
20	10
21	11
22	11
23	12
24	12
25	12
26	13
27	13
28	13
29	14
30	14
31	14
32	15
33	15
34	16
35	16
36	17
37	17
38	17
39	18
40	18
41	18
42	19
43	19
44	19
45	20
46	20
47	21
48	21
49	21
50	22
51	22
52	22
53	22
54	23
55	24
56	24
57	25
58	25
59	25
60	26
61	26
62	26
63	27
64	27
65	27
66	28
67	28
68	29
69	29

[0,1,2,3,3,4,4,5,6,6,7,7,7,8,8,9,9,9,10,10,10,11, 11,12,12,12,13,13,13,14,14,14,15,15,16,16,17,17, 17,18,18,18,19,19,19,20,20,21,21,21,22,22,22,22, 23,24,24,25,25,25,26,26,26,27,27,27,28,28,29,29]

n	a(n)
0	0
1	1
2	2
3	3
4	3
5	4
6	4
7	5
8	6
9	6
10	7
11	7
12	7
13	8
14	8
15	9
16	9
17	9
18	10
19	10
20	10
21	11
22	11
23	12
24	12
25	12
26	13
27	13
28	13
29	14
30	14
31	14
32	15
33	15
34	16
35	16
36	17
37	17
38	17
39	18
40	18
41	18
42	19
43	19
44	19
45	20
46	20
47	21
48	21
49	21
50	22
51	22
52	22
53	22
54	23
55	24
56	24
57	25
58	25
59	25
60	26
61	26
62	26
63	27
64	27
65	27
66	28
67	28
68	29
69	29

n	a(n)
0	0
1	1
2	2
3	3
4	3
5	4
6	4
7	5
8	6
9	6
10	7
11	7
12	7
13	8
14	8
15	9
16	9
17	9
18	10
19	10
20	10
21	11
22	11
23	12
24	12
25	12
26	13
27	13
28	13
29	14
30	14
31	14
32	15
33	15
34	16
35	16
36	17
37	17
38	17
39	18
40	18
41	18
42	19
43	19
44	19
45	20
46	20
47	21
48	21
49	21
50	22
51	22
52	22
53	22
54	23
55	24
56	24
57	25
58	25
59	25
60	26
61	26
62	26
63	27
64	27
65	27
66	28
67	28
68	29
69	29

n	a(n)
0	0
1	1
2	2
3	3
4	3
5	4
6	4
7	5
8	6
9	6
10	7
11	7
12	7
13	8
14	8
15	9
16	9
17	9
18	10
19	10
20	10
21	11
22	11
23	12
24	12
25	12
26	13
27	13
28	13
29	14
30	14
31	14
32	15
33	15
34	16
35	16
36	17
37	17
38	17
39	18
40	18
41	18
42	19
43	19
44	19
45	20
46	20
47	21
48	21
49	21
50	22
51	22
52	22
53	22
54	23
55	24
56	24
57	25
58	25
59	25
60	26
61	26
62	26
63	27
64	27
65	27
66	28
67	28
68	29
69	29