A050296 - cp's OEIS frontend

A050296 Maximum cardinality of a strongly triple-free subset of {1, 2, ..., n}.

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

[1, 1, 2, 2, 3, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 10, 11, 11, 12, 12, 13, 13, 14, 15, 16, 16, 16, 16, 17, 18, 19, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 26, 27, 27, 28, 28, 29, 30, 31, 31, 32, 32, 33, 33, 34, 34, 35, 35, 36, 36, 37, 37, 38, 39, 40, 41, 42, 42, 43, 43, 44]

cp's OEIS Frontend

A050296 Maximum cardinality of a strongly triple-free subset of {1, 2, ..., n}.

Table of values

List of values

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

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

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