A229995 - cp's OEIS frontend

A229995 Array of coefficients of numerator polynomials of the rational function p(n, x + 1/x), where p(n,x) is the Fibonacci polynomial defined by p(1,x) = 1, p(2,x) = x, p(n,x) = x*p(n-1,x) + p(n-2,x).

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	3
7	0
8	1
9	1
10	0
11	5
12	0
13	5
14	0
15	1
16	1
17	0
18	7
19	0
20	13
21	0
22	7
23	0
24	1
25	1
26	0
27	9
28	0
29	25
30	0
31	25
32	0
33	9
34	0
35	1
36	1
37	0
38	11
39	0
40	41
41	0
42	63
43	0
44	41
45	0
46	11
47	0
48	1
49	1
50	0
51	13
52	0
53	61
54	0
55	129
56	0
57	129
58	0
59	61
60	0
61	13
62	0
63	1
64	1
65	0
66	15
67	0
68	85
69	0
70	231
71	0
72	321
73	0
74	231
75	0
76	85
77	0

[1, 1, 0, 1, 1, 0, 3, 0, 1, 1, 0, 5, 0, 5, 0, 1, 1, 0, 7, 0, 13, 0, 7, 0, 1, 1, 0, 9, 0, 25, 0, 25, 0, 9, 0, 1, 1, 0, 11, 0, 41, 0, 63, 0, 41, 0, 11, 0, 1, 1, 0, 13, 0, 61, 0, 129, 0, 129, 0, 61, 0, 13, 0, 1, 1, 0, 15, 0, 85, 0, 231, 0, 321, 0, 231, 0, 85, 0]

cp's OEIS Frontend

A229995 Array of coefficients of numerator polynomials of the rational function p(n, x + 1/x), where p(n,x) is the Fibonacci polynomial defined by p(1,x) = 1, p(2,x) = x, p(n,x) = x*p(n-1,x) + p(n-2,x).

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	3
7	0
8	1
9	1
10	0
11	5
12	0
13	5
14	0
15	1
16	1
17	0
18	7
19	0
20	13
21	0
22	7
23	0
24	1
25	1
26	0
27	9
28	0
29	25
30	0
31	25
32	0
33	9
34	0
35	1
36	1
37	0
38	11
39	0
40	41
41	0
42	63
43	0
44	41
45	0
46	11
47	0
48	1
49	1
50	0
51	13
52	0
53	61
54	0
55	129
56	0
57	129
58	0
59	61
60	0
61	13
62	0
63	1
64	1
65	0
66	15
67	0
68	85
69	0
70	231
71	0
72	321
73	0
74	231
75	0
76	85
77	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	3
7	0
8	1
9	1
10	0
11	5
12	0
13	5
14	0
15	1
16	1
17	0
18	7
19	0
20	13
21	0
22	7
23	0
24	1
25	1
26	0
27	9
28	0
29	25
30	0
31	25
32	0
33	9
34	0
35	1
36	1
37	0
38	11
39	0
40	41
41	0
42	63
43	0
44	41
45	0
46	11
47	0
48	1
49	1
50	0
51	13
52	0
53	61
54	0
55	129
56	0
57	129
58	0
59	61
60	0
61	13
62	0
63	1
64	1
65	0
66	15
67	0
68	85
69	0
70	231
71	0
72	321
73	0
74	231
75	0
76	85
77	0

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	3
7	0
8	1
9	1
10	0
11	5
12	0
13	5
14	0
15	1
16	1
17	0
18	7
19	0
20	13
21	0
22	7
23	0
24	1
25	1
26	0
27	9
28	0
29	25
30	0
31	25
32	0
33	9
34	0
35	1
36	1
37	0
38	11
39	0
40	41
41	0
42	63
43	0
44	41
45	0
46	11
47	0
48	1
49	1
50	0
51	13
52	0
53	61
54	0
55	129
56	0
57	129
58	0
59	61
60	0
61	13
62	0
63	1
64	1
65	0
66	15
67	0
68	85
69	0
70	231
71	0
72	321
73	0
74	231
75	0
76	85
77	0