A276066 - cp's OEIS frontend

A276066 Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having a total of k double rises and double falls (n>=2,k>=0). A double rise (fall) in a bargraph is any pair of adjacent up (down) steps.

n	a(n)
2	1
3	1
4	0
5	1
6	1
7	2
8	1
9	0
10	1
11	2
12	4
13	1
14	4
15	1
16	0
17	1
18	4
19	6
20	8
21	8
22	1
23	6
24	1
25	0
26	1
27	7
28	14
29	22
30	12
31	19
32	12
33	1
34	8
35	1
36	0
37	1
38	13
39	34
40	43
41	48
42	55
43	18
44	35
45	16
46	1
47	10
48	1
49	0
50	1
51	26
52	72
53	105
54	148
55	109
56	116
57	103
58	24
59	56
60	20
61	1
62	12
63	1
64	0
65	1
66	52
67	154
68	276
69	344
70	347
71	398
72	205
73	232
74	166
75	30
76	82
77	24
78	1
79	14
80	1
81	0
82	1

[1, 1, 0, 1, 1, 2, 1, 0, 1, 2, 4, 1, 4, 1, 0, 1, 4, 6, 8, 8, 1, 6, 1, 0, 1, 7, 14, 22, 12, 19, 12, 1, 8, 1, 0, 1, 13, 34, 43, 48, 55, 18, 35, 16, 1, 10, 1, 0, 1, 26, 72, 105, 148, 109, 116, 103, 24, 56, 20, 1, 12, 1, 0, 1, 52, 154, 276, 344, 347, 398, 205, 232, 166, 30, 82, 24, 1, 14, 1, 0, 1]

cp's OEIS Frontend

A276066 Triangle read by rows: T(n,k) is the number of bargraphs of semiperimeter n having a total of k double rises and double falls (n>=2,k>=0). A double rise (fall) in a bargraph is any pair of adjacent up (down) steps.

Table of values

List of values

n	a(n)
2	1
3	1
4	0
5	1
6	1
7	2
8	1
9	0
10	1
11	2
12	4
13	1
14	4
15	1
16	0
17	1
18	4
19	6
20	8
21	8
22	1
23	6
24	1
25	0
26	1
27	7
28	14
29	22
30	12
31	19
32	12
33	1
34	8
35	1
36	0
37	1
38	13
39	34
40	43
41	48
42	55
43	18
44	35
45	16
46	1
47	10
48	1
49	0
50	1
51	26
52	72
53	105
54	148
55	109
56	116
57	103
58	24
59	56
60	20
61	1
62	12
63	1
64	0
65	1
66	52
67	154
68	276
69	344
70	347
71	398
72	205
73	232
74	166
75	30
76	82
77	24
78	1
79	14
80	1
81	0
82	1

n	a(n)
2	1
3	1
4	0
5	1
6	1
7	2
8	1
9	0
10	1
11	2
12	4
13	1
14	4
15	1
16	0
17	1
18	4
19	6
20	8
21	8
22	1
23	6
24	1
25	0
26	1
27	7
28	14
29	22
30	12
31	19
32	12
33	1
34	8
35	1
36	0
37	1
38	13
39	34
40	43
41	48
42	55
43	18
44	35
45	16
46	1
47	10
48	1
49	0
50	1
51	26
52	72
53	105
54	148
55	109
56	116
57	103
58	24
59	56
60	20
61	1
62	12
63	1
64	0
65	1
66	52
67	154
68	276
69	344
70	347
71	398
72	205
73	232
74	166
75	30
76	82
77	24
78	1
79	14
80	1
81	0
82	1

n	a(n)
2	1
3	1
4	0
5	1
6	1
7	2
8	1
9	0
10	1
11	2
12	4
13	1
14	4
15	1
16	0
17	1
18	4
19	6
20	8
21	8
22	1
23	6
24	1
25	0
26	1
27	7
28	14
29	22
30	12
31	19
32	12
33	1
34	8
35	1
36	0
37	1
38	13
39	34
40	43
41	48
42	55
43	18
44	35
45	16
46	1
47	10
48	1
49	0
50	1
51	26
52	72
53	105
54	148
55	109
56	116
57	103
58	24
59	56
60	20
61	1
62	12
63	1
64	0
65	1
66	52
67	154
68	276
69	344
70	347
71	398
72	205
73	232
74	166
75	30
76	82
77	24
78	1
79	14
80	1
81	0
82	1