A283368 - cp's OEIS frontend

A283368 Irregular triangle read by rows: T(n,k) = number of heights for the horizontal elements of the Dyck paths for the symmetric representation of sigma(n) that are listed in the corresponding positions of the triangle of A259176.

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	3
7	5
8	3
9	6
10	5
11	4
12	7
13	5
14	4
15	8
16	6
17	5
18	9
19	7
20	5
21	10
22	8
23	7
24	6
25	11
26	8
27	7
28	6
29	12
30	10
31	9
32	7
33	13
34	10
35	9
36	7
37	14
38	11
39	9
40	8
41	15
42	12
43	11
44	10
45	8
46	16
47	13
48	12
49	11
50	9
51	17
52	13
53	12
54	11
55	9
56	18
57	15
58	13
59	12
60	10
61	19
62	15
63	13
64	12
65	10
66	20
67	16
68	15
69	13
70	11
71	21
72	17
73	16
74	15
75	14
76	11

[1, 2, 3, 2, 4, 3, 5, 3, 6, 5, 4, 7, 5, 4, 8, 6, 5, 9, 7, 5, 10, 8, 7, 6, 11, 8, 7, 6, 12, 10, 9, 7, 13, 10, 9, 7, 14, 11, 9, 8, 15, 12, 11, 10, 8, 16, 13, 12, 11, 9, 17, 13, 12, 11, 9, 18, 15, 13, 12, 10, 19, 15, 13, 12, 10, 20, 16, 15, 13, 11, 21, 17, 16, 15, 14, 11]

cp's OEIS Frontend

A283368 Irregular triangle read by rows: T(n,k) = number of heights for the horizontal elements of the Dyck paths for the symmetric representation of sigma(n) that are listed in the corresponding positions of the triangle of A259176.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	3
7	5
8	3
9	6
10	5
11	4
12	7
13	5
14	4
15	8
16	6
17	5
18	9
19	7
20	5
21	10
22	8
23	7
24	6
25	11
26	8
27	7
28	6
29	12
30	10
31	9
32	7
33	13
34	10
35	9
36	7
37	14
38	11
39	9
40	8
41	15
42	12
43	11
44	10
45	8
46	16
47	13
48	12
49	11
50	9
51	17
52	13
53	12
54	11
55	9
56	18
57	15
58	13
59	12
60	10
61	19
62	15
63	13
64	12
65	10
66	20
67	16
68	15
69	13
70	11
71	21
72	17
73	16
74	15
75	14
76	11

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	3
7	5
8	3
9	6
10	5
11	4
12	7
13	5
14	4
15	8
16	6
17	5
18	9
19	7
20	5
21	10
22	8
23	7
24	6
25	11
26	8
27	7
28	6
29	12
30	10
31	9
32	7
33	13
34	10
35	9
36	7
37	14
38	11
39	9
40	8
41	15
42	12
43	11
44	10
45	8
46	16
47	13
48	12
49	11
50	9
51	17
52	13
53	12
54	11
55	9
56	18
57	15
58	13
59	12
60	10
61	19
62	15
63	13
64	12
65	10
66	20
67	16
68	15
69	13
70	11
71	21
72	17
73	16
74	15
75	14
76	11

n	a(n)
1	1
2	2
3	3
4	2
5	4
6	3
7	5
8	3
9	6
10	5
11	4
12	7
13	5
14	4
15	8
16	6
17	5
18	9
19	7
20	5
21	10
22	8
23	7
24	6
25	11
26	8
27	7
28	6
29	12
30	10
31	9
32	7
33	13
34	10
35	9
36	7
37	14
38	11
39	9
40	8
41	15
42	12
43	11
44	10
45	8
46	16
47	13
48	12
49	11
50	9
51	17
52	13
53	12
54	11
55	9
56	18
57	15
58	13
59	12
60	10
61	19
62	15
63	13
64	12
65	10
66	20
67	16
68	15
69	13
70	11
71	21
72	17
73	16
74	15
75	14
76	11