A253415 - OEIS

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A253415 as a simple table

n	a(n)
2	2
3	4
4	5
5	5
6	5
7	5
8	5
9	5
10	7
11	7
12	7
13	7
14	7
15	7
16	7
17	7
18	7
19	7
20	7
21	14
22	14
23	14
24	14
25	14
26	14
27	14
28	14
29	14
30	14
31	14
32	14
33	14
34	14
35	14
36	14
37	14
38	14
39	19
40	19
41	19
42	19
43	19
44	19
45	19
46	19
47	19
48	19
49	19
50	19
51	22
52	22
53	22
54	22
55	22
56	31
57	31
58	31
59	31
60	31
61	31
62	31
63	31
64	31
65	31
66	31
67	31
68	31
69	31
70	31

[2,4,5,5,5,5,5,5,7,7,7,7,7,7,7,7,7,7,7,14,14,14, 14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,19, 19,19,19,19,19,19,19,19,19,19,19,22,22,22,22,22, 31,31,31,31,31,31,31,31,31,31,31,31,31,31,31]

n	a(n)
2	2
3	4
4	5
5	5
6	5
7	5
8	5
9	5
10	7
11	7
12	7
13	7
14	7
15	7
16	7
17	7
18	7
19	7
20	7
21	14
22	14
23	14
24	14
25	14
26	14
27	14
28	14
29	14
30	14
31	14
32	14
33	14
34	14
35	14
36	14
37	14
38	14
39	19
40	19
41	19
42	19
43	19
44	19
45	19
46	19
47	19
48	19
49	19
50	19
51	22
52	22
53	22
54	22
55	22
56	31
57	31
58	31
59	31
60	31
61	31
62	31
63	31
64	31
65	31
66	31
67	31
68	31
69	31
70	31

n	a(n)
2	2
3	4
4	5
5	5
6	5
7	5
8	5
9	5
10	7
11	7
12	7
13	7
14	7
15	7
16	7
17	7
18	7
19	7
20	7
21	14
22	14
23	14
24	14
25	14
26	14
27	14
28	14
29	14
30	14
31	14
32	14
33	14
34	14
35	14
36	14
37	14
38	14
39	19
40	19
41	19
42	19
43	19
44	19
45	19
46	19
47	19
48	19
49	19
50	19
51	22
52	22
53	22
54	22
55	22
56	31
57	31
58	31
59	31
60	31
61	31
62	31
63	31
64	31
65	31
66	31
67	31
68	31
69	31
70	31

n	a(n)
2	2
3	4
4	5
5	5
6	5
7	5
8	5
9	5
10	7
11	7
12	7
13	7
14	7
15	7
16	7
17	7
18	7
19	7
20	7
21	14
22	14
23	14
24	14
25	14
26	14
27	14
28	14
29	14
30	14
31	14
32	14
33	14
34	14
35	14
36	14
37	14
38	14
39	19
40	19
41	19
42	19
43	19
44	19
45	19
46	19
47	19
48	19
49	19
50	19
51	22
52	22
53	22
54	22
55	22
56	31
57	31
58	31
59	31
60	31
61	31
62	31
63	31
64	31
65	31
66	31
67	31
68	31
69	31
70	31