A177691 - OEIS

A177691 as a simple table

n	a(n)
1	1
2	3
3	3
4	5
5	5
6	7
7	7
8	9
9	9
10	9
11	9
12	9
13	9
14	11
15	11
16	11
17	11
18	11
19	11
20	13
21	13
22	15
23	15
24	15
25	15
26	15
27	15
28	17
29	17
30	19
31	19
32	19
33	19
34	21
35	21
36	21
37	21
38	21
39	21
40	23
41	23
42	23
43	23
44	23
45	23
46	25
47	25
48	25
49	25
50	27
51	27
52	27
53	27
54	29
55	29
56	29
57	29
58	31
59	31
60	31
61	31
62	33
63	33
64	35
65	35
66	37
67	37
68	37
69	37
70	37
71	37
72	39
73	39
74	39

[1,3,3,5,5,7,7,9,9,9,9,9,9,11,11,11,11,11,11,13, 13,15,15,15,15,15,15,17,17,19,19,19,19,21,21,21, 21,21,21,23,23,23,23,23,23,25,25,25,25,27,27,27, 27,29,29,29,29,31,31,31,31,33,33,35,35,37,37,37, 37,37,37,39,39,39]

n	a(n)
1	1
2	3
3	3
4	5
5	5
6	7
7	7
8	9
9	9
10	9
11	9
12	9
13	9
14	11
15	11
16	11
17	11
18	11
19	11
20	13
21	13
22	15
23	15
24	15
25	15
26	15
27	15
28	17
29	17
30	19
31	19
32	19
33	19
34	21
35	21
36	21
37	21
38	21
39	21
40	23
41	23
42	23
43	23
44	23
45	23
46	25
47	25
48	25
49	25
50	27
51	27
52	27
53	27
54	29
55	29
56	29
57	29
58	31
59	31
60	31
61	31
62	33
63	33
64	35
65	35
66	37
67	37
68	37
69	37
70	37
71	37
72	39
73	39
74	39

n	a(n)
1	1
2	3
3	3
4	5
5	5
6	7
7	7
8	9
9	9
10	9
11	9
12	9
13	9
14	11
15	11
16	11
17	11
18	11
19	11
20	13
21	13
22	15
23	15
24	15
25	15
26	15
27	15
28	17
29	17
30	19
31	19
32	19
33	19
34	21
35	21
36	21
37	21
38	21
39	21
40	23
41	23
42	23
43	23
44	23
45	23
46	25
47	25
48	25
49	25
50	27
51	27
52	27
53	27
54	29
55	29
56	29
57	29
58	31
59	31
60	31
61	31
62	33
63	33
64	35
65	35
66	37
67	37
68	37
69	37
70	37
71	37
72	39
73	39
74	39

n	a(n)
1	1
2	3
3	3
4	5
5	5
6	7
7	7
8	9
9	9
10	9
11	9
12	9
13	9
14	11
15	11
16	11
17	11
18	11
19	11
20	13
21	13
22	15
23	15
24	15
25	15
26	15
27	15
28	17
29	17
30	19
31	19
32	19
33	19
34	21
35	21
36	21
37	21
38	21
39	21
40	23
41	23
42	23
43	23
44	23
45	23
46	25
47	25
48	25
49	25
50	27
51	27
52	27
53	27
54	29
55	29
56	29
57	29
58	31
59	31
60	31
61	31
62	33
63	33
64	35
65	35
66	37
67	37
68	37
69	37
70	37
71	37
72	39
73	39
74	39