A354143 - OEIS

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A354143 as a simple table

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

[1,2,3,3,3,3,3,7,7,7,7,7,7,11,11,11,11,11,11,13, 14,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, 15,23,25,25,25,25,25,25,25,26,26,26,26,27,27,29, 29,29,29,29,29,29,29,29,29,31,43,43,43,43,43,43]

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

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

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