A286480 - cp's OEIS frontend

A286480 Compound filter (prime signature of n & prime signature of n+d(n)): a(n) = P(A046523(n), A286479(n)), where P(n,k) is sequence A000027 used as a pairing function and d(n) is number of divisors of n (A000005).

n	a(n)
1	2
2	12
3	5
4	14
5	5
6	61
7	12
8	179
9	109
10	61
11	5
12	265
13	23
14	142
15	27
16	226
17	5
18	607
19	23
20	148
21	42
22	61
23	12
24	1509
25	109
26	601
27	44
28	148
29	5
30	625
31	23
32	698
33	27
34	61
35	61
36	1117
37	23
38	601
39	27
40	2509
41	5
42	850
43	80
44	265
45	148
46	142
47	12
48	1426
49	109
50	607
51	61
52	148
53	23
54	430
55	27
56	3765
57	27
58	61
59	5
60	8575
61	80
62	601
63	148
64	2144
65	61
66	625
67	23
68	148
69	27
70	1741
71	5
72	8587
73	80
74	601
75	363
76	148
77	216
78	625
79	138
80	5719

[2, 12, 5, 14, 5, 61, 12, 179, 109, 61, 5, 265, 23, 142, 27, 226, 5, 607, 23, 148, 42, 61, 12, 1509, 109, 601, 44, 148, 5, 625, 23, 698, 27, 61, 61, 1117, 23, 601, 27, 2509, 5, 850, 80, 265, 148, 142, 12, 1426, 109, 607, 61, 148, 23, 430, 27, 3765, 27, 61, 5, 8575, 80, 601, 148, 2144, 61, 625, 23, 148, 27, 1741, 5, 8587, 80, 601, 363, 148, 216, 625, 138, 5719]

cp's OEIS Frontend

A286480 Compound filter (prime signature of n & prime signature of n+d(n)): a(n) = P(A046523(n), A286479(n)), where P(n,k) is sequence A000027 used as a pairing function and d(n) is number of divisors of n (A000005).

Table of values

List of values