A108297 - cp's OEIS frontend

A108297 Least positive k such that k * n^2 ends with n, or 0 no such k exists.

n	a(n)
0	1
1	1
2	3
3	7
4	4
5	1
6	1
7	3
8	2
9	9
10	0
11	91
12	23
13	77
14	0
15	0
16	11
17	53
18	0
19	79
20	0
21	81
22	0
23	87
24	24
25	1
26	0
27	63
28	17
29	69
30	0
31	71
32	18
33	97
34	0
35	0
36	16
37	73
38	0
39	59
40	0
41	61
42	0
43	7
44	4
45	0
46	0
47	83
48	12
49	49
50	0
51	51
52	13
53	17
54	0
55	0
56	21
57	93
58	0
59	39
60	0
61	41
62	0
63	27
64	9
65	0
66	0
67	3
68	7
69	29
70	0
71	31
72	8
73	37
74	0
75	3
76	1
77	13
78	0
79	19
80	0
81	21
82	0
83	47
84	14
85	0

[1, 1, 3, 7, 4, 1, 1, 3, 2, 9, 0, 91, 23, 77, 0, 0, 11, 53, 0, 79, 0, 81, 0, 87, 24, 1, 0, 63, 17, 69, 0, 71, 18, 97, 0, 0, 16, 73, 0, 59, 0, 61, 0, 7, 4, 0, 0, 83, 12, 49, 0, 51, 13, 17, 0, 0, 21, 93, 0, 39, 0, 41, 0, 27, 9, 0, 0, 3, 7, 29, 0, 31, 8, 37, 0, 3, 1, 13, 0, 19, 0, 21, 0, 47, 14, 0]

cp's OEIS Frontend

A108297 Least positive k such that k * n^2 ends with n, or 0 no such k exists.

Table of values

List of values

n	a(n)
0	1
1	1
2	3
3	7
4	4
5	1
6	1
7	3
8	2
9	9
10	0
11	91
12	23
13	77
14	0
15	0
16	11
17	53
18	0
19	79
20	0
21	81
22	0
23	87
24	24
25	1
26	0
27	63
28	17
29	69
30	0
31	71
32	18
33	97
34	0
35	0
36	16
37	73
38	0
39	59
40	0
41	61
42	0
43	7
44	4
45	0
46	0
47	83
48	12
49	49
50	0
51	51
52	13
53	17
54	0
55	0
56	21
57	93
58	0
59	39
60	0
61	41
62	0
63	27
64	9
65	0
66	0
67	3
68	7
69	29
70	0
71	31
72	8
73	37
74	0
75	3
76	1
77	13
78	0
79	19
80	0
81	21
82	0
83	47
84	14
85	0

n	a(n)
0	1
1	1
2	3
3	7
4	4
5	1
6	1
7	3
8	2
9	9
10	0
11	91
12	23
13	77
14	0
15	0
16	11
17	53
18	0
19	79
20	0
21	81
22	0
23	87
24	24
25	1
26	0
27	63
28	17
29	69
30	0
31	71
32	18
33	97
34	0
35	0
36	16
37	73
38	0
39	59
40	0
41	61
42	0
43	7
44	4
45	0
46	0
47	83
48	12
49	49
50	0
51	51
52	13
53	17
54	0
55	0
56	21
57	93
58	0
59	39
60	0
61	41
62	0
63	27
64	9
65	0
66	0
67	3
68	7
69	29
70	0
71	31
72	8
73	37
74	0
75	3
76	1
77	13
78	0
79	19
80	0
81	21
82	0
83	47
84	14
85	0

n	a(n)
0	1
1	1
2	3
3	7
4	4
5	1
6	1
7	3
8	2
9	9
10	0
11	91
12	23
13	77
14	0
15	0
16	11
17	53
18	0
19	79
20	0
21	81
22	0
23	87
24	24
25	1
26	0
27	63
28	17
29	69
30	0
31	71
32	18
33	97
34	0
35	0
36	16
37	73
38	0
39	59
40	0
41	61
42	0
43	7
44	4
45	0
46	0
47	83
48	12
49	49
50	0
51	51
52	13
53	17
54	0
55	0
56	21
57	93
58	0
59	39
60	0
61	41
62	0
63	27
64	9
65	0
66	0
67	3
68	7
69	29
70	0
71	31
72	8
73	37
74	0
75	3
76	1
77	13
78	0
79	19
80	0
81	21
82	0
83	47
84	14
85	0