A129706 - cp's OEIS frontend

A129706 Triangle read by rows: T(n,k) is the number of Fibonacci binary words of length n and having k inversions (n>=0, 0<=k<=floor(n(n+1)/6)). A Fibonacci binary word is a binary word having no 00 subword.

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

[1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 4, 2, 1, 2, 2, 2, 4, 4, 4, 2, 1, 2, 2, 2, 4, 4, 6, 6, 4, 2, 2, 2, 2, 2, 4, 4, 6, 8, 8, 6, 6, 4, 2, 1, 2, 2, 2, 4, 4, 6, 8, 10, 10, 10, 10, 8, 6, 4, 2, 1, 2, 2, 2, 4, 4, 6, 8, 10, 12, 14, 14, 14, 14, 12, 10, 8, 4, 2, 2, 2, 2, 2, 4, 4, 6, 8, 10, 12, 16, 18, 18, 20]

cp's OEIS Frontend

A129706 Triangle read by rows: T(n,k) is the number of Fibonacci binary words of length n and having k inversions (n>=0, 0<=k<=floor(n(n+1)/6)). A Fibonacci binary word is a binary word having no 00 subword.

Table of values

List of values

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

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

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