A197637 - OEIS

A197637 as a simple table

n	a(n)
1	0
2	1
3	2
4	2
5	2
6	2
7	3
8	3
9	3
10	3
11	4
12	4
13	4
14	4
15	4
16	4
17	5
18	5
19	6
20	6
21	6
22	6
23	7
24	7
25	7
26	7
27	7
28	7
29	8
30	8
31	9
32	9
33	9
34	9
35	9
36	9
37	10
38	10
39	10
40	10
41	11
42	11
43	12
44	12
45	12
46	12
47	13
48	13
49	13
50	13
51	13
52	13
53	14
54	14
55	14
56	14
57	14
58	14
59	15
60	15
61	16
62	16
63	16
64	16
65	16
66	16
67	17
68	17
69	17
70	17
71	18
72	18
73	19
74	19
75	19
76	19
77	19
78	19
79	20
80	20
81	20
82	20
83	21
84	21
85	21
86	21
87	21
88	21
89	22
90	22
91	22
92	22
93	22
94	22
95	22
96	22
97	23
98	23
99	23
100	23

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

n	a(n)
1	0
2	1
3	2
4	2
5	2
6	2
7	3
8	3
9	3
10	3
11	4
12	4
13	4
14	4
15	4
16	4
17	5
18	5
19	6
20	6
21	6
22	6
23	7
24	7
25	7
26	7
27	7
28	7
29	8
30	8
31	9
32	9
33	9
34	9
35	9
36	9
37	10
38	10
39	10
40	10
41	11
42	11
43	12
44	12
45	12
46	12
47	13
48	13
49	13
50	13
51	13
52	13
53	14
54	14
55	14
56	14
57	14
58	14
59	15
60	15
61	16
62	16
63	16
64	16
65	16
66	16
67	17
68	17
69	17
70	17
71	18
72	18
73	19
74	19
75	19
76	19
77	19
78	19
79	20
80	20
81	20
82	20
83	21
84	21
85	21
86	21
87	21
88	21
89	22
90	22
91	22
92	22
93	22
94	22
95	22
96	22
97	23
98	23
99	23
100	23

n	a(n)
1	0
2	1
3	2
4	2
5	2
6	2
7	3
8	3
9	3
10	3
11	4
12	4
13	4
14	4
15	4
16	4
17	5
18	5
19	6
20	6
21	6
22	6
23	7
24	7
25	7
26	7
27	7
28	7
29	8
30	8
31	9
32	9
33	9
34	9
35	9
36	9
37	10
38	10
39	10
40	10
41	11
42	11
43	12
44	12
45	12
46	12
47	13
48	13
49	13
50	13
51	13
52	13
53	14
54	14
55	14
56	14
57	14
58	14
59	15
60	15
61	16
62	16
63	16
64	16
65	16
66	16
67	17
68	17
69	17
70	17
71	18
72	18
73	19
74	19
75	19
76	19
77	19
78	19
79	20
80	20
81	20
82	20
83	21
84	21
85	21
86	21
87	21
88	21
89	22
90	22
91	22
92	22
93	22
94	22
95	22
96	22
97	23
98	23
99	23
100	23

n	a(n)
1	0
2	1
3	2
4	2
5	2
6	2
7	3
8	3
9	3
10	3
11	4
12	4
13	4
14	4
15	4
16	4
17	5
18	5
19	6
20	6
21	6
22	6
23	7
24	7
25	7
26	7
27	7
28	7
29	8
30	8
31	9
32	9
33	9
34	9
35	9
36	9
37	10
38	10
39	10
40	10
41	11
42	11
43	12
44	12
45	12
46	12
47	13
48	13
49	13
50	13
51	13
52	13
53	14
54	14
55	14
56	14
57	14
58	14
59	15
60	15
61	16
62	16
63	16
64	16
65	16
66	16
67	17
68	17
69	17
70	17
71	18
72	18
73	19
74	19
75	19
76	19
77	19
78	19
79	20
80	20
81	20
82	20
83	21
84	21
85	21
86	21
87	21
88	21
89	22
90	22
91	22
92	22
93	22
94	22
95	22
96	22
97	23
98	23
99	23
100	23