A082880 - cp's OEIS frontend

A082880 Largest value of A075860(j) when j runs through composite numbers between n-th and (n+1)-th primes. That is, the largest fixed-point[=prime] reached by iteration of A008472(=sum of prime factors) initiated with composite values between two consecutive primes.

n	a(n)
1	0
2	2
3	5
4	7
5	5
6	3
7	5
8	13
9	5
10	7
11	19
12	7
13	5
14	13
15	7
16	31
17	7
18	7
19	19
20	5
21	7
22	43
23	13
24	19
25	7
26	13
27	2
28	5
29	7
30	61
31	7
32	19
33	3
34	73
35	7
36	7
37	7
38	43
39	13
40	19
41	7
42	13
43	5
44	7
45	2
46	103
47	109
48	3
49	5
50	31
51	61
52	7
53	13
54	19
55	13
56	31
57	7
58	139
59	19
60	2
61	73
62	151
63	7
64	5
65	3
66	43
67	13
68	31
69	19
70	13
71	181
72	19
73	13
74	7
75	193
76	23
77	199
78	29
79	103
80	73

[0, 2, 5, 7, 5, 3, 5, 13, 5, 7, 19, 7, 5, 13, 7, 31, 7, 7, 19, 5, 7, 43, 13, 19, 7, 13, 2, 5, 7, 61, 7, 19, 3, 73, 7, 7, 7, 43, 13, 19, 7, 13, 5, 7, 2, 103, 109, 3, 5, 31, 61, 7, 13, 19, 13, 31, 7, 139, 19, 2, 73, 151, 7, 5, 3, 43, 13, 31, 19, 13, 181, 19, 13, 7, 193, 23, 199, 29, 103, 73]

cp's OEIS Frontend

A082880 Largest value of A075860(j) when j runs through composite numbers between n-th and (n+1)-th primes. That is, the largest fixed-point[=prime] reached by iteration of A008472(=sum of prime factors) initiated with composite values between two consecutive primes.

Table of values

List of values

n	a(n)
1	0
2	2
3	5
4	7
5	5
6	3
7	5
8	13
9	5
10	7
11	19
12	7
13	5
14	13
15	7
16	31
17	7
18	7
19	19
20	5
21	7
22	43
23	13
24	19
25	7
26	13
27	2
28	5
29	7
30	61
31	7
32	19
33	3
34	73
35	7
36	7
37	7
38	43
39	13
40	19
41	7
42	13
43	5
44	7
45	2
46	103
47	109
48	3
49	5
50	31
51	61
52	7
53	13
54	19
55	13
56	31
57	7
58	139
59	19
60	2
61	73
62	151
63	7
64	5
65	3
66	43
67	13
68	31
69	19
70	13
71	181
72	19
73	13
74	7
75	193
76	23
77	199
78	29
79	103
80	73

n	a(n)
1	0
2	2
3	5
4	7
5	5
6	3
7	5
8	13
9	5
10	7
11	19
12	7
13	5
14	13
15	7
16	31
17	7
18	7
19	19
20	5
21	7
22	43
23	13
24	19
25	7
26	13
27	2
28	5
29	7
30	61
31	7
32	19
33	3
34	73
35	7
36	7
37	7
38	43
39	13
40	19
41	7
42	13
43	5
44	7
45	2
46	103
47	109
48	3
49	5
50	31
51	61
52	7
53	13
54	19
55	13
56	31
57	7
58	139
59	19
60	2
61	73
62	151
63	7
64	5
65	3
66	43
67	13
68	31
69	19
70	13
71	181
72	19
73	13
74	7
75	193
76	23
77	199
78	29
79	103
80	73

n	a(n)
1	0
2	2
3	5
4	7
5	5
6	3
7	5
8	13
9	5
10	7
11	19
12	7
13	5
14	13
15	7
16	31
17	7
18	7
19	19
20	5
21	7
22	43
23	13
24	19
25	7
26	13
27	2
28	5
29	7
30	61
31	7
32	19
33	3
34	73
35	7
36	7
37	7
38	43
39	13
40	19
41	7
42	13
43	5
44	7
45	2
46	103
47	109
48	3
49	5
50	31
51	61
52	7
53	13
54	19
55	13
56	31
57	7
58	139
59	19
60	2
61	73
62	151
63	7
64	5
65	3
66	43
67	13
68	31
69	19
70	13
71	181
72	19
73	13
74	7
75	193
76	23
77	199
78	29
79	103
80	73