A364054 - cp's OEIS frontend

A364054 a(1) = 1; for n > 1, a(n) is the least positive integer not already in the sequence such that a(n) == a(n-1) (mod prime(n-1)).

n	a(n)
1	1
2	3
3	6
4	11
5	4
6	15
7	2
8	19
9	38
10	61
11	32
12	63
13	26
14	67
15	24
16	71
17	18
18	77
19	16
20	83
21	12
22	85
23	164
24	81
25	170
26	73
27	174
28	277
29	384
30	57
31	283
32	29
33	160
34	23
35	162
36	13
37	315
38	158
39	321
40	154
41	327
42	148
43	329
44	138
45	331
46	134
47	333
48	122
49	345
50	118
51	347
52	114
53	353
54	112
55	363
56	106
57	369
58	100
59	371
60	94
61	375
62	92
63	385

[1, 3, 6, 11, 4, 15, 2, 19, 38, 61, 32, 63, 26, 67, 24, 71, 18, 77, 16, 83, 12, 85, 164, 81, 170, 73, 174, 277, 384, 57, 283, 29, 160, 23, 162, 13, 315, 158, 321, 154, 327, 148, 329, 138, 331, 134, 333, 122, 345, 118, 347, 114, 353, 112, 363, 106, 369, 100, 371, 94, 375, 92, 385]

cp's OEIS Frontend

A364054 a(1) = 1; for n > 1, a(n) is the least positive integer not already in the sequence such that a(n) == a(n-1) (mod prime(n-1)).

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	11
5	4
6	15
7	2
8	19
9	38
10	61
11	32
12	63
13	26
14	67
15	24
16	71
17	18
18	77
19	16
20	83
21	12
22	85
23	164
24	81
25	170
26	73
27	174
28	277
29	384
30	57
31	283
32	29
33	160
34	23
35	162
36	13
37	315
38	158
39	321
40	154
41	327
42	148
43	329
44	138
45	331
46	134
47	333
48	122
49	345
50	118
51	347
52	114
53	353
54	112
55	363
56	106
57	369
58	100
59	371
60	94
61	375
62	92
63	385

n	a(n)
1	1
2	3
3	6
4	11
5	4
6	15
7	2
8	19
9	38
10	61
11	32
12	63
13	26
14	67
15	24
16	71
17	18
18	77
19	16
20	83
21	12
22	85
23	164
24	81
25	170
26	73
27	174
28	277
29	384
30	57
31	283
32	29
33	160
34	23
35	162
36	13
37	315
38	158
39	321
40	154
41	327
42	148
43	329
44	138
45	331
46	134
47	333
48	122
49	345
50	118
51	347
52	114
53	353
54	112
55	363
56	106
57	369
58	100
59	371
60	94
61	375
62	92
63	385

n	a(n)
1	1
2	3
3	6
4	11
5	4
6	15
7	2
8	19
9	38
10	61
11	32
12	63
13	26
14	67
15	24
16	71
17	18
18	77
19	16
20	83
21	12
22	85
23	164
24	81
25	170
26	73
27	174
28	277
29	384
30	57
31	283
32	29
33	160
34	23
35	162
36	13
37	315
38	158
39	321
40	154
41	327
42	148
43	329
44	138
45	331
46	134
47	333
48	122
49	345
50	118
51	347
52	114
53	353
54	112
55	363
56	106
57	369
58	100
59	371
60	94
61	375
62	92
63	385