A300893 - cp's OEIS frontend

A300893 L.g.f.: log(Product_{k>=1} (1 + x^k)/(1 + x^prime(k))) = Sum_{n>=1} a(n)*x^n/n.

n	a(n)
1	1
2	-1
3	1
4	3
5	1
6	5
7	1
8	3
9	10
10	9
11	1
12	9
13	1
14	13
15	16
16	3
17	1
18	14
19	1
20	13
21	22
22	21
23	1
24	9
25	26
26	25
27	37
28	17
29	1
30	30
31	1
32	3
33	34
34	33
35	36
36	18
37	1
38	37
39	40
40	13
41	1
42	40
43	1
44	25
45	70
46	45
47	1
48	9
49	50
50	34
51	52
52	29
53	1
54	41
55	56
56	17
57	58
58	57
59	1
60	34
61	1
62	61
63	94
64	3
65	66
66	60
67	1
68	37
69	70
70	58
71	1
72	18
73	1
74	73
75	116
76	41
77	78
78	70
79	1
80	13
81	118
82	81
83	1
84	44
85	86

[1, -1, 1, 3, 1, 5, 1, 3, 10, 9, 1, 9, 1, 13, 16, 3, 1, 14, 1, 13, 22, 21, 1, 9, 26, 25, 37, 17, 1, 30, 1, 3, 34, 33, 36, 18, 1, 37, 40, 13, 1, 40, 1, 25, 70, 45, 1, 9, 50, 34, 52, 29, 1, 41, 56, 17, 58, 57, 1, 34, 1, 61, 94, 3, 66, 60, 1, 37, 70, 58, 1, 18, 1, 73, 116, 41, 78, 70, 1, 13, 118, 81, 1, 44, 86]

cp's OEIS Frontend

A300893 L.g.f.: log(Product_{k>=1} (1 + x^k)/(1 + x^prime(k))) = Sum_{n>=1} a(n)*x^n/n.

Table of values

List of values

n	a(n)
1	1
2	-1
3	1
4	3
5	1
6	5
7	1
8	3
9	10
10	9
11	1
12	9
13	1
14	13
15	16
16	3
17	1
18	14
19	1
20	13
21	22
22	21
23	1
24	9
25	26
26	25
27	37
28	17
29	1
30	30
31	1
32	3
33	34
34	33
35	36
36	18
37	1
38	37
39	40
40	13
41	1
42	40
43	1
44	25
45	70
46	45
47	1
48	9
49	50
50	34
51	52
52	29
53	1
54	41
55	56
56	17
57	58
58	57
59	1
60	34
61	1
62	61
63	94
64	3
65	66
66	60
67	1
68	37
69	70
70	58
71	1
72	18
73	1
74	73
75	116
76	41
77	78
78	70
79	1
80	13
81	118
82	81
83	1
84	44
85	86

n	a(n)
1	1
2	-1
3	1
4	3
5	1
6	5
7	1
8	3
9	10
10	9
11	1
12	9
13	1
14	13
15	16
16	3
17	1
18	14
19	1
20	13
21	22
22	21
23	1
24	9
25	26
26	25
27	37
28	17
29	1
30	30
31	1
32	3
33	34
34	33
35	36
36	18
37	1
38	37
39	40
40	13
41	1
42	40
43	1
44	25
45	70
46	45
47	1
48	9
49	50
50	34
51	52
52	29
53	1
54	41
55	56
56	17
57	58
58	57
59	1
60	34
61	1
62	61
63	94
64	3
65	66
66	60
67	1
68	37
69	70
70	58
71	1
72	18
73	1
74	73
75	116
76	41
77	78
78	70
79	1
80	13
81	118
82	81
83	1
84	44
85	86

n	a(n)
1	1
2	-1
3	1
4	3
5	1
6	5
7	1
8	3
9	10
10	9
11	1
12	9
13	1
14	13
15	16
16	3
17	1
18	14
19	1
20	13
21	22
22	21
23	1
24	9
25	26
26	25
27	37
28	17
29	1
30	30
31	1
32	3
33	34
34	33
35	36
36	18
37	1
38	37
39	40
40	13
41	1
42	40
43	1
44	25
45	70
46	45
47	1
48	9
49	50
50	34
51	52
52	29
53	1
54	41
55	56
56	17
57	58
58	57
59	1
60	34
61	1
62	61
63	94
64	3
65	66
66	60
67	1
68	37
69	70
70	58
71	1
72	18
73	1
74	73
75	116
76	41
77	78
78	70
79	1
80	13
81	118
82	81
83	1
84	44
85	86