A238967 - cp's OEIS frontend

A238967 Maximal size of an antichain in canonical order.

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	3
10	4
11	6
12	1
13	2
14	3
15	4
16	5
17	7
18	10
19	1
20	2
21	3
22	4
23	4
24	6
25	8
26	7
27	10
28	14
29	20
30	1
31	2
32	3
33	4
34	4
35	6
36	8
37	7
38	8
39	11
40	15
41	13
42	18
43	25
44	35
45	1
46	2
47	3
48	4
49	4
50	6
51	8
52	5
53	8
54	9
55	12
56	16
57	10
58	14
59	16
60	22
61	30
62	19
63	26
64	36
65	50
66	70
67	1
68	2
69	3
70	4
71	4
72	6
73	8
74	5
75	8
76	9
77	12
78	16
79	9
80	11
81	15
82	17
83	23
84	31
85	12
86	19
87	26
88	22
89	30
90	41
91	56
92	35
93	48
94	66
95	91
96	126

[1, 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 6, 1, 2, 3, 4, 5, 7, 10, 1, 2, 3, 4, 4, 6, 8, 7, 10, 14, 20, 1, 2, 3, 4, 4, 6, 8, 7, 8, 11, 15, 13, 18, 25, 35, 1, 2, 3, 4, 4, 6, 8, 5, 8, 9, 12, 16, 10, 14, 16, 22, 30, 19, 26, 36, 50, 70, 1, 2, 3, 4, 4, 6, 8, 5, 8, 9, 12, 16, 9, 11, 15, 17, 23, 31, 12, 19, 26, 22, 30, 41, 56, 35, 48, 66, 91, 126]

cp's OEIS Frontend

A238967 Maximal size of an antichain in canonical order.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	3
10	4
11	6
12	1
13	2
14	3
15	4
16	5
17	7
18	10
19	1
20	2
21	3
22	4
23	4
24	6
25	8
26	7
27	10
28	14
29	20
30	1
31	2
32	3
33	4
34	4
35	6
36	8
37	7
38	8
39	11
40	15
41	13
42	18
43	25
44	35
45	1
46	2
47	3
48	4
49	4
50	6
51	8
52	5
53	8
54	9
55	12
56	16
57	10
58	14
59	16
60	22
61	30
62	19
63	26
64	36
65	50
66	70
67	1
68	2
69	3
70	4
71	4
72	6
73	8
74	5
75	8
76	9
77	12
78	16
79	9
80	11
81	15
82	17
83	23
84	31
85	12
86	19
87	26
88	22
89	30
90	41
91	56
92	35
93	48
94	66
95	91
96	126

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	3
10	4
11	6
12	1
13	2
14	3
15	4
16	5
17	7
18	10
19	1
20	2
21	3
22	4
23	4
24	6
25	8
26	7
27	10
28	14
29	20
30	1
31	2
32	3
33	4
34	4
35	6
36	8
37	7
38	8
39	11
40	15
41	13
42	18
43	25
44	35
45	1
46	2
47	3
48	4
49	4
50	6
51	8
52	5
53	8
54	9
55	12
56	16
57	10
58	14
59	16
60	22
61	30
62	19
63	26
64	36
65	50
66	70
67	1
68	2
69	3
70	4
71	4
72	6
73	8
74	5
75	8
76	9
77	12
78	16
79	9
80	11
81	15
82	17
83	23
84	31
85	12
86	19
87	26
88	22
89	30
90	41
91	56
92	35
93	48
94	66
95	91
96	126

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	3
10	4
11	6
12	1
13	2
14	3
15	4
16	5
17	7
18	10
19	1
20	2
21	3
22	4
23	4
24	6
25	8
26	7
27	10
28	14
29	20
30	1
31	2
32	3
33	4
34	4
35	6
36	8
37	7
38	8
39	11
40	15
41	13
42	18
43	25
44	35
45	1
46	2
47	3
48	4
49	4
50	6
51	8
52	5
53	8
54	9
55	12
56	16
57	10
58	14
59	16
60	22
61	30
62	19
63	26
64	36
65	50
66	70
67	1
68	2
69	3
70	4
71	4
72	6
73	8
74	5
75	8
76	9
77	12
78	16
79	9
80	11
81	15
82	17
83	23
84	31
85	12
86	19
87	26
88	22
89	30
90	41
91	56
92	35
93	48
94	66
95	91
96	126