A078428 - OEIS

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A078428 as a simple table

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	3
6	3
7	3
8	4
9	4
10	6
11	6
12	6
13	6
14	6
15	7
16	7
17	7
18	9
19	10
20	10
21	10
22	10
23	10
24	11
25	11
26	11
27	11
28	13
29	13
30	15
31	15
32	15
33	15
34	15
35	16
36	16
37	16
38	16
39	16
40	18
41	18
42	18
43	20
44	21
45	21
46	21
47	21
48	22
49	22
50	22
51	22
52	22
53	22
54	24
55	24
56	24
57	24
58	26
59	26
60	28
61	28
62	28
63	29
64	29
65	29
66	29
67	29
68	29
69	29
70	31
71	31
72	31
73	31
74	31
75	33

[1,1,1,2,3,3,3,3,4,4,6,6,6,6,6,7,7,7,9,10,10,10, 10,10,11,11,11,11,13,13,15,15,15,15,15,16,16,16, 16,16,18,18,18,20,21,21,21,21,22,22,22,22,22,22, 24,24,24,24,26,26,28,28,28,29,29,29,29,29,29,29, 31,31,31,31,31,33]

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	3
6	3
7	3
8	4
9	4
10	6
11	6
12	6
13	6
14	6
15	7
16	7
17	7
18	9
19	10
20	10
21	10
22	10
23	10
24	11
25	11
26	11
27	11
28	13
29	13
30	15
31	15
32	15
33	15
34	15
35	16
36	16
37	16
38	16
39	16
40	18
41	18
42	18
43	20
44	21
45	21
46	21
47	21
48	22
49	22
50	22
51	22
52	22
53	22
54	24
55	24
56	24
57	24
58	26
59	26
60	28
61	28
62	28
63	29
64	29
65	29
66	29
67	29
68	29
69	29
70	31
71	31
72	31
73	31
74	31
75	33

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	3
6	3
7	3
8	4
9	4
10	6
11	6
12	6
13	6
14	6
15	7
16	7
17	7
18	9
19	10
20	10
21	10
22	10
23	10
24	11
25	11
26	11
27	11
28	13
29	13
30	15
31	15
32	15
33	15
34	15
35	16
36	16
37	16
38	16
39	16
40	18
41	18
42	18
43	20
44	21
45	21
46	21
47	21
48	22
49	22
50	22
51	22
52	22
53	22
54	24
55	24
56	24
57	24
58	26
59	26
60	28
61	28
62	28
63	29
64	29
65	29
66	29
67	29
68	29
69	29
70	31
71	31
72	31
73	31
74	31
75	33

n	a(n)
0	1
1	1
2	1
3	2
4	3
5	3
6	3
7	3
8	4
9	4
10	6
11	6
12	6
13	6
14	6
15	7
16	7
17	7
18	9
19	10
20	10
21	10
22	10
23	10
24	11
25	11
26	11
27	11
28	13
29	13
30	15
31	15
32	15
33	15
34	15
35	16
36	16
37	16
38	16
39	16
40	18
41	18
42	18
43	20
44	21
45	21
46	21
47	21
48	22
49	22
50	22
51	22
52	22
53	22
54	24
55	24
56	24
57	24
58	26
59	26
60	28
61	28
62	28
63	29
64	29
65	29
66	29
67	29
68	29
69	29
70	31
71	31
72	31
73	31
74	31
75	33