A058022 - cp's OEIS frontend

A058022 Difference between lcm(1,..,n) and the largest prime before lcm(1,..,n) where n runs over the prime powers A000961, LCMs are in A051451.

n	a(n)
1	3
2	4
3	1
4	1
5	1
6	1
7	1
8	17
9	19
10	23
11	17
12	43
13	1
14	1
15	29
16	41
17	1
18	43
19	1
20	43
21	47
22	83
23	1
24	83
25	61
26	149
27	1
28	97
29	89
30	109
31	113
32	103
33	113
34	89
35	137
36	1
37	157
38	181
39	239
40	139
41	241
42	139
43	179
44	233
45	193
46	163
47	241
48	173
49	283
50	167
51	271
52	193
53	277
54	181
55	179
56	199
57	1
58	193
59	223
60	239
61	239
62	233
63	751

[3, 4, 1, 1, 1, 1, 1, 17, 19, 23, 17, 43, 1, 1, 29, 41, 1, 43, 1, 43, 47, 83, 1, 83, 61, 149, 1, 97, 89, 109, 113, 103, 113, 89, 137, 1, 157, 181, 239, 139, 241, 139, 179, 233, 193, 163, 241, 173, 283, 167, 271, 193, 277, 181, 179, 199, 1, 193, 223, 239, 239, 233, 751]

cp's OEIS Frontend

A058022 Difference between lcm(1,..,n) and the largest prime before lcm(1,..,n) where n runs over the prime powers A000961, LCMs are in A051451.

Table of values

List of values

n	a(n)
1	3
2	4
3	1
4	1
5	1
6	1
7	1
8	17
9	19
10	23
11	17
12	43
13	1
14	1
15	29
16	41
17	1
18	43
19	1
20	43
21	47
22	83
23	1
24	83
25	61
26	149
27	1
28	97
29	89
30	109
31	113
32	103
33	113
34	89
35	137
36	1
37	157
38	181
39	239
40	139
41	241
42	139
43	179
44	233
45	193
46	163
47	241
48	173
49	283
50	167
51	271
52	193
53	277
54	181
55	179
56	199
57	1
58	193
59	223
60	239
61	239
62	233
63	751

n	a(n)
1	3
2	4
3	1
4	1
5	1
6	1
7	1
8	17
9	19
10	23
11	17
12	43
13	1
14	1
15	29
16	41
17	1
18	43
19	1
20	43
21	47
22	83
23	1
24	83
25	61
26	149
27	1
28	97
29	89
30	109
31	113
32	103
33	113
34	89
35	137
36	1
37	157
38	181
39	239
40	139
41	241
42	139
43	179
44	233
45	193
46	163
47	241
48	173
49	283
50	167
51	271
52	193
53	277
54	181
55	179
56	199
57	1
58	193
59	223
60	239
61	239
62	233
63	751

n	a(n)
1	3
2	4
3	1
4	1
5	1
6	1
7	1
8	17
9	19
10	23
11	17
12	43
13	1
14	1
15	29
16	41
17	1
18	43
19	1
20	43
21	47
22	83
23	1
24	83
25	61
26	149
27	1
28	97
29	89
30	109
31	113
32	103
33	113
34	89
35	137
36	1
37	157
38	181
39	239
40	139
41	241
42	139
43	179
44	233
45	193
46	163
47	241
48	173
49	283
50	167
51	271
52	193
53	277
54	181
55	179
56	199
57	1
58	193
59	223
60	239
61	239
62	233
63	751