A383300 - cp's OEIS frontend

A383300 Numbers k such that primorial base expansion of k has the primorial base expansion of k' as its suffix, where k' stands for the arithmetic derivative of k (A003415).

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	7
7	11
8	13
9	17
10	19
11	23
12	27
13	29
14	31
15	37
16	41
17	43
18	47
19	53
20	59
21	61
22	67
23	71
24	73
25	79
26	83
27	89
28	97
29	101
30	103
31	107
32	109
33	113
34	127
35	131
36	137
37	139
38	149
39	151
40	157
41	163
42	167
43	173
44	179
45	181
46	191
47	193
48	197
49	199
50	211
51	223
52	227
53	229
54	233
55	239
56	241
57	251
58	257
59	263
60	269
61	271
62	277
63	281
64	283
65	293
66	307
67	311
68	313
69	317
70	331

[0, 1, 3, 4, 5, 7, 11, 13, 17, 19, 23, 27, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331]

cp's OEIS Frontend

A383300 Numbers k such that primorial base expansion of k has the primorial base expansion of k' as its suffix, where k' stands for the arithmetic derivative of k (A003415).

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	7
7	11
8	13
9	17
10	19
11	23
12	27
13	29
14	31
15	37
16	41
17	43
18	47
19	53
20	59
21	61
22	67
23	71
24	73
25	79
26	83
27	89
28	97
29	101
30	103
31	107
32	109
33	113
34	127
35	131
36	137
37	139
38	149
39	151
40	157
41	163
42	167
43	173
44	179
45	181
46	191
47	193
48	197
49	199
50	211
51	223
52	227
53	229
54	233
55	239
56	241
57	251
58	257
59	263
60	269
61	271
62	277
63	281
64	283
65	293
66	307
67	311
68	313
69	317
70	331

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	7
7	11
8	13
9	17
10	19
11	23
12	27
13	29
14	31
15	37
16	41
17	43
18	47
19	53
20	59
21	61
22	67
23	71
24	73
25	79
26	83
27	89
28	97
29	101
30	103
31	107
32	109
33	113
34	127
35	131
36	137
37	139
38	149
39	151
40	157
41	163
42	167
43	173
44	179
45	181
46	191
47	193
48	197
49	199
50	211
51	223
52	227
53	229
54	233
55	239
56	241
57	251
58	257
59	263
60	269
61	271
62	277
63	281
64	283
65	293
66	307
67	311
68	313
69	317
70	331

n	a(n)
1	0
2	1
3	3
4	4
5	5
6	7
7	11
8	13
9	17
10	19
11	23
12	27
13	29
14	31
15	37
16	41
17	43
18	47
19	53
20	59
21	61
22	67
23	71
24	73
25	79
26	83
27	89
28	97
29	101
30	103
31	107
32	109
33	113
34	127
35	131
36	137
37	139
38	149
39	151
40	157
41	163
42	167
43	173
44	179
45	181
46	191
47	193
48	197
49	199
50	211
51	223
52	227
53	229
54	233
55	239
56	241
57	251
58	257
59	263
60	269
61	271
62	277
63	281
64	283
65	293
66	307
67	311
68	313
69	317
70	331