A321018 - OEIS

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A321018 as a simple table

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

[0,1,1,1,2,2,2,2,2,2,3,3,3,3,3,3,4,4,4,4,4,4,5,5, 5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,6,7,7,7,7,7,7,8,8,8, 8,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9,10,10,10,10,10, 10,11,11,11,11,11,11,11,11,11,11,12,12,12,12,12, 12,12,12,12,12,12,12,12,12,13,13,13,13]

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

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

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