A348971 - cp's OEIS frontend

A348971 a(n) = Product(p(p+1)^(e-1)) - Product((p-1)p^(e-1)), when n = Product(p^e), with p primes, and e their exponents.

n	a(n)
1	0
2	1
3	1
4	4
5	1
6	4
7	1
8	14
9	6
10	6
11	1
12	14
13	1
14	8
15	7
16	46
17	1
18	18
19	1
20	22
21	9
22	12
23	1
24	46
25	10
26	14
27	30
28	30
29	1
30	22
31	1
32	146
33	13
34	18
35	11
36	60
37	1
38	20
39	15
40	74
41	1
42	30
43	1
44	46
45	36
46	24
47	1
48	146
49	14
50	40
51	19
52	54
53	1
54	78
55	15
56	102
57	21
58	30
59	1
60	74
61	1
62	32
63	48
64	454
65	17
66	46
67	1
68	70
69	25
70	46
71	1
72	192
73	1
74	38
75	50
76	78
77	17
78	54
79	1
80	238
81	138
82	42
83	1
84	102
85	21

[0, 1, 1, 4, 1, 4, 1, 14, 6, 6, 1, 14, 1, 8, 7, 46, 1, 18, 1, 22, 9, 12, 1, 46, 10, 14, 30, 30, 1, 22, 1, 146, 13, 18, 11, 60, 1, 20, 15, 74, 1, 30, 1, 46, 36, 24, 1, 146, 14, 40, 19, 54, 1, 78, 15, 102, 21, 30, 1, 74, 1, 32, 48, 454, 17, 46, 1, 70, 25, 46, 1, 192, 1, 38, 50, 78, 17, 54, 1, 238, 138, 42, 1, 102, 21]

cp's OEIS Frontend

A348971 a(n) = Product(p(p+1)^(e-1)) - Product((p-1)p^(e-1)), when n = Product(p^e), with p primes, and e their exponents.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	4
5	1
6	4
7	1
8	14
9	6
10	6
11	1
12	14
13	1
14	8
15	7
16	46
17	1
18	18
19	1
20	22
21	9
22	12
23	1
24	46
25	10
26	14
27	30
28	30
29	1
30	22
31	1
32	146
33	13
34	18
35	11
36	60
37	1
38	20
39	15
40	74
41	1
42	30
43	1
44	46
45	36
46	24
47	1
48	146
49	14
50	40
51	19
52	54
53	1
54	78
55	15
56	102
57	21
58	30
59	1
60	74
61	1
62	32
63	48
64	454
65	17
66	46
67	1
68	70
69	25
70	46
71	1
72	192
73	1
74	38
75	50
76	78
77	17
78	54
79	1
80	238
81	138
82	42
83	1
84	102
85	21

n	a(n)
1	0
2	1
3	1
4	4
5	1
6	4
7	1
8	14
9	6
10	6
11	1
12	14
13	1
14	8
15	7
16	46
17	1
18	18
19	1
20	22
21	9
22	12
23	1
24	46
25	10
26	14
27	30
28	30
29	1
30	22
31	1
32	146
33	13
34	18
35	11
36	60
37	1
38	20
39	15
40	74
41	1
42	30
43	1
44	46
45	36
46	24
47	1
48	146
49	14
50	40
51	19
52	54
53	1
54	78
55	15
56	102
57	21
58	30
59	1
60	74
61	1
62	32
63	48
64	454
65	17
66	46
67	1
68	70
69	25
70	46
71	1
72	192
73	1
74	38
75	50
76	78
77	17
78	54
79	1
80	238
81	138
82	42
83	1
84	102
85	21

cp's OEIS Frontend

A348971 a(n) = Product(p*(p+1)^(e-1)) - Product((p-1)*p^(e-1)), when n = Product(p^e), with p primes, and e their exponents.

Table of values

List of values

A348971 a(n) = Product(p(p+1)^(e-1)) - Product((p-1)p^(e-1)), when n = Product(p^e), with p primes, and e their exponents.

n	a(n)
1	0
2	1
3	1
4	4
5	1
6	4
7	1
8	14
9	6
10	6
11	1
12	14
13	1
14	8
15	7
16	46
17	1
18	18
19	1
20	22
21	9
22	12
23	1
24	46
25	10
26	14
27	30
28	30
29	1
30	22
31	1
32	146
33	13
34	18
35	11
36	60
37	1
38	20
39	15
40	74
41	1
42	30
43	1
44	46
45	36
46	24
47	1
48	146
49	14
50	40
51	19
52	54
53	1
54	78
55	15
56	102
57	21
58	30
59	1
60	74
61	1
62	32
63	48
64	454
65	17
66	46
67	1
68	70
69	25
70	46
71	1
72	192
73	1
74	38
75	50
76	78
77	17
78	54
79	1
80	238
81	138
82	42
83	1
84	102
85	21