A156349 - OEIS

A156349 as a simple table

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

[1,3,3,3,4,4,5,7,7,8,10,10,10,11,11,11,12,14,14, 15,15,15,16,16,17,19,19,19,20,20,20,21,21,22,24, 24,25,27,27,27,28,28,29,31,31,32,32,32,33,33,33, 34,36,36,37,39,39,39,40,40,41,43,43,44,46,46,46, 47,47,47,48,48,49]

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

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

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