A077183 - cp's OEIS frontend

A077183 Smallest number k such that the reverse concatenation of natural numbers from k to 1 is divisible by prime(n), or 0 if no such number exists.

n	a(n)
1	0
2	2
3	0
4	2
5	14
6	15
7	9
8	5
9	16
10	4
11	25
12	21
13	40
14	67
15	78
16	66
17	25
18	111
19	161
20	49
21	30
22	15
23	27
24	20
25	63
26	98
27	102
28	3
29	99
30	92
31	296
32	71
33	22
34	367
35	4
36	48
37	50
38	91
39	45
40	241
41	137
42	258
43	23
44	28
45	212
46	40
47	96
48	408
49	456
50	110
51	16
52	731
53	403
54	667
55	90
56	130
57	111
58	458
59	146
60	18
61	577
62	276
63	708

[0, 2, 0, 2, 14, 15, 9, 5, 16, 4, 25, 21, 40, 67, 78, 66, 25, 111, 161, 49, 30, 15, 27, 20, 63, 98, 102, 3, 99, 92, 296, 71, 22, 367, 4, 48, 50, 91, 45, 241, 137, 258, 23, 28, 212, 40, 96, 408, 456, 110, 16, 731, 403, 667, 90, 130, 111, 458, 146, 18, 577, 276, 708]

cp's OEIS Frontend

A077183 Smallest number k such that the reverse concatenation of natural numbers from k to 1 is divisible by prime(n), or 0 if no such number exists.

Table of values

List of values

n	a(n)
1	0
2	2
3	0
4	2
5	14
6	15
7	9
8	5
9	16
10	4
11	25
12	21
13	40
14	67
15	78
16	66
17	25
18	111
19	161
20	49
21	30
22	15
23	27
24	20
25	63
26	98
27	102
28	3
29	99
30	92
31	296
32	71
33	22
34	367
35	4
36	48
37	50
38	91
39	45
40	241
41	137
42	258
43	23
44	28
45	212
46	40
47	96
48	408
49	456
50	110
51	16
52	731
53	403
54	667
55	90
56	130
57	111
58	458
59	146
60	18
61	577
62	276
63	708

n	a(n)
1	0
2	2
3	0
4	2
5	14
6	15
7	9
8	5
9	16
10	4
11	25
12	21
13	40
14	67
15	78
16	66
17	25
18	111
19	161
20	49
21	30
22	15
23	27
24	20
25	63
26	98
27	102
28	3
29	99
30	92
31	296
32	71
33	22
34	367
35	4
36	48
37	50
38	91
39	45
40	241
41	137
42	258
43	23
44	28
45	212
46	40
47	96
48	408
49	456
50	110
51	16
52	731
53	403
54	667
55	90
56	130
57	111
58	458
59	146
60	18
61	577
62	276
63	708

n	a(n)
1	0
2	2
3	0
4	2
5	14
6	15
7	9
8	5
9	16
10	4
11	25
12	21
13	40
14	67
15	78
16	66
17	25
18	111
19	161
20	49
21	30
22	15
23	27
24	20
25	63
26	98
27	102
28	3
29	99
30	92
31	296
32	71
33	22
34	367
35	4
36	48
37	50
38	91
39	45
40	241
41	137
42	258
43	23
44	28
45	212
46	40
47	96
48	408
49	456
50	110
51	16
52	731
53	403
54	667
55	90
56	130
57	111
58	458
59	146
60	18
61	577
62	276
63	708