A231147 - cp's OEIS frontend

A231147 Array of coefficients of numerator polynomials of the rational function p(n, x + 1/x), where p(n,x) = (x^n - 1)/(x - 1).

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	3
8	1
9	1
10	1
11	1
12	4
13	3
14	4
15	1
16	1
17	1
18	1
19	5
20	4
21	9
22	4
23	5
24	1
25	1
26	1
27	1
28	6
29	5
30	14
31	9
32	14
33	5
34	6
35	1
36	1
37	1
38	1
39	7
40	6
41	20
42	14
43	29
44	14
45	20
46	6
47	7
48	1
49	1
50	1
51	1
52	8
53	7
54	27
55	20
56	49
57	29
58	49
59	20
60	27
61	7
62	8
63	1
64	1
65	1
66	1
67	9
68	8
69	35
70	27
71	76
72	49
73	99
74	49
75	76
76	27
77	35
78	8
79	9

[1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 4, 3, 4, 1, 1, 1, 1, 5, 4, 9, 4, 5, 1, 1, 1, 1, 6, 5, 14, 9, 14, 5, 6, 1, 1, 1, 1, 7, 6, 20, 14, 29, 14, 20, 6, 7, 1, 1, 1, 1, 8, 7, 27, 20, 49, 29, 49, 20, 27, 7, 8, 1, 1, 1, 1, 9, 8, 35, 27, 76, 49, 99, 49, 76, 27, 35, 8, 9]

cp's OEIS Frontend

A231147 Array of coefficients of numerator polynomials of the rational function p(n, x + 1/x), where p(n,x) = (x^n - 1)/(x - 1).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	3
8	1
9	1
10	1
11	1
12	4
13	3
14	4
15	1
16	1
17	1
18	1
19	5
20	4
21	9
22	4
23	5
24	1
25	1
26	1
27	1
28	6
29	5
30	14
31	9
32	14
33	5
34	6
35	1
36	1
37	1
38	1
39	7
40	6
41	20
42	14
43	29
44	14
45	20
46	6
47	7
48	1
49	1
50	1
51	1
52	8
53	7
54	27
55	20
56	49
57	29
58	49
59	20
60	27
61	7
62	8
63	1
64	1
65	1
66	1
67	9
68	8
69	35
70	27
71	76
72	49
73	99
74	49
75	76
76	27
77	35
78	8
79	9

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	3
8	1
9	1
10	1
11	1
12	4
13	3
14	4
15	1
16	1
17	1
18	1
19	5
20	4
21	9
22	4
23	5
24	1
25	1
26	1
27	1
28	6
29	5
30	14
31	9
32	14
33	5
34	6
35	1
36	1
37	1
38	1
39	7
40	6
41	20
42	14
43	29
44	14
45	20
46	6
47	7
48	1
49	1
50	1
51	1
52	8
53	7
54	27
55	20
56	49
57	29
58	49
59	20
60	27
61	7
62	8
63	1
64	1
65	1
66	1
67	9
68	8
69	35
70	27
71	76
72	49
73	99
74	49
75	76
76	27
77	35
78	8
79	9

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	3
8	1
9	1
10	1
11	1
12	4
13	3
14	4
15	1
16	1
17	1
18	1
19	5
20	4
21	9
22	4
23	5
24	1
25	1
26	1
27	1
28	6
29	5
30	14
31	9
32	14
33	5
34	6
35	1
36	1
37	1
38	1
39	7
40	6
41	20
42	14
43	29
44	14
45	20
46	6
47	7
48	1
49	1
50	1
51	1
52	8
53	7
54	27
55	20
56	49
57	29
58	49
59	20
60	27
61	7
62	8
63	1
64	1
65	1
66	1
67	9
68	8
69	35
70	27
71	76
72	49
73	99
74	49
75	76
76	27
77	35
78	8
79	9