A073044 - cp's OEIS frontend

A073044 Triangle read by rows: T(n,k) (n >= 1, n-1 >= k >= 0) = number of n-sequences of 0's and 1's with no pair of adjacent 0's and exactly k pairs of adjacent 1's.

n	a(n)
1	2
2	2
3	1
4	2
5	2
6	1
7	2
8	3
9	2
10	1
11	2
12	4
13	4
14	2
15	1
16	2
17	5
18	6
19	5
20	2
21	1
22	2
23	6
24	9
25	8
26	6
27	2
28	1
29	2
30	7
31	12
32	14
33	10
34	7
35	2
36	1
37	2
38	8
39	16
40	20
41	20
42	12
43	8
44	2
45	1
46	2
47	9
48	20
49	30
50	30
51	27
52	14
53	9
54	2
55	1
56	2
57	10
58	25
59	40
60	50
61	42
62	35
63	16
64	10
65	2
66	1
67	2
68	11
69	30
70	55
71	70
72	77
73	56
74	44
75	18
76	11
77	2
78	1
79	2
80	12
81	36
82	70
83	105
84	112
85	112
86	72

[2, 2, 1, 2, 2, 1, 2, 3, 2, 1, 2, 4, 4, 2, 1, 2, 5, 6, 5, 2, 1, 2, 6, 9, 8, 6, 2, 1, 2, 7, 12, 14, 10, 7, 2, 1, 2, 8, 16, 20, 20, 12, 8, 2, 1, 2, 9, 20, 30, 30, 27, 14, 9, 2, 1, 2, 10, 25, 40, 50, 42, 35, 16, 10, 2, 1, 2, 11, 30, 55, 70, 77, 56, 44, 18, 11, 2, 1, 2, 12, 36, 70, 105, 112, 112, 72]

cp's OEIS Frontend

A073044 Triangle read by rows: T(n,k) (n >= 1, n-1 >= k >= 0) = number of n-sequences of 0's and 1's with no pair of adjacent 0's and exactly k pairs of adjacent 1's.

Table of values

List of values

n	a(n)
1	2
2	2
3	1
4	2
5	2
6	1
7	2
8	3
9	2
10	1
11	2
12	4
13	4
14	2
15	1
16	2
17	5
18	6
19	5
20	2
21	1
22	2
23	6
24	9
25	8
26	6
27	2
28	1
29	2
30	7
31	12
32	14
33	10
34	7
35	2
36	1
37	2
38	8
39	16
40	20
41	20
42	12
43	8
44	2
45	1
46	2
47	9
48	20
49	30
50	30
51	27
52	14
53	9
54	2
55	1
56	2
57	10
58	25
59	40
60	50
61	42
62	35
63	16
64	10
65	2
66	1
67	2
68	11
69	30
70	55
71	70
72	77
73	56
74	44
75	18
76	11
77	2
78	1
79	2
80	12
81	36
82	70
83	105
84	112
85	112
86	72

n	a(n)
1	2
2	2
3	1
4	2
5	2
6	1
7	2
8	3
9	2
10	1
11	2
12	4
13	4
14	2
15	1
16	2
17	5
18	6
19	5
20	2
21	1
22	2
23	6
24	9
25	8
26	6
27	2
28	1
29	2
30	7
31	12
32	14
33	10
34	7
35	2
36	1
37	2
38	8
39	16
40	20
41	20
42	12
43	8
44	2
45	1
46	2
47	9
48	20
49	30
50	30
51	27
52	14
53	9
54	2
55	1
56	2
57	10
58	25
59	40
60	50
61	42
62	35
63	16
64	10
65	2
66	1
67	2
68	11
69	30
70	55
71	70
72	77
73	56
74	44
75	18
76	11
77	2
78	1
79	2
80	12
81	36
82	70
83	105
84	112
85	112
86	72

n	a(n)
1	2
2	2
3	1
4	2
5	2
6	1
7	2
8	3
9	2
10	1
11	2
12	4
13	4
14	2
15	1
16	2
17	5
18	6
19	5
20	2
21	1
22	2
23	6
24	9
25	8
26	6
27	2
28	1
29	2
30	7
31	12
32	14
33	10
34	7
35	2
36	1
37	2
38	8
39	16
40	20
41	20
42	12
43	8
44	2
45	1
46	2
47	9
48	20
49	30
50	30
51	27
52	14
53	9
54	2
55	1
56	2
57	10
58	25
59	40
60	50
61	42
62	35
63	16
64	10
65	2
66	1
67	2
68	11
69	30
70	55
71	70
72	77
73	56
74	44
75	18
76	11
77	2
78	1
79	2
80	12
81	36
82	70
83	105
84	112
85	112
86	72