A279385 - cp's OEIS frontend

A279385 Irregular triangle read by rows in which row n lists the numbers k such that the largest Dyck path of the symmetric representation of sigma(k) contains the point (n,n), or row n is 0 if no such k exists.

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

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

cp's OEIS Frontend

A279385 Irregular triangle read by rows in which row n lists the numbers k such that the largest Dyck path of the symmetric representation of sigma(k) contains the point (n,n), or row n is 0 if no such k exists.

Table of values

List of values

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

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

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