A028827 - OEIS

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A028827 as a simple table

n	a(n)
0	1
1	2
2	2
3	3
4	3
5	3
6	4
7	4
8	5
9	5
10	6
11	6
12	6
13	6
14	6
15	7
16	8
17	8
18	8
19	9
20	9
21	10
22	10
23	11
24	11
25	12
26	12
27	12
28	14
29	15
30	15
31	18
32	20
33	20
34	21
35	22
36	22
37	23
38	23
39	24
40	24
41	30

[1,2,2,3,3,3,4,4,5,5,6,6,6,6,6,7,8,8,8,9,9,10,10, 11,11,12,12,12,14,15,15,18,20,20,21,22,22,23,23, 24,24,30]

n	a(n)
0	1
1	2
2	2
3	3
4	3
5	3
6	4
7	4
8	5
9	5
10	6
11	6
12	6
13	6
14	6
15	7
16	8
17	8
18	8
19	9
20	9
21	10
22	10
23	11
24	11
25	12
26	12
27	12
28	14
29	15
30	15
31	18
32	20
33	20
34	21
35	22
36	22
37	23
38	23
39	24
40	24
41	30

n	a(n)
0	1
1	2
2	2
3	3
4	3
5	3
6	4
7	4
8	5
9	5
10	6
11	6
12	6
13	6
14	6
15	7
16	8
17	8
18	8
19	9
20	9
21	10
22	10
23	11
24	11
25	12
26	12
27	12
28	14
29	15
30	15
31	18
32	20
33	20
34	21
35	22
36	22
37	23
38	23
39	24
40	24
41	30

n	a(n)
0	1
1	2
2	2
3	3
4	3
5	3
6	4
7	4
8	5
9	5
10	6
11	6
12	6
13	6
14	6
15	7
16	8
17	8
18	8
19	9
20	9
21	10
22	10
23	11
24	11
25	12
26	12
27	12
28	14
29	15
30	15
31	18
32	20
33	20
34	21
35	22
36	22
37	23
38	23
39	24
40	24
41	30