A223487 - cp's OEIS frontend

A223487 Number of missing residues in Lucas sequence mod n.

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

[0, 0, 0, 0, 1, 0, 0, 2, 0, 2, 4, 2, 1, 0, 8, 5, 1, 7, 7, 10, 8, 8, 4, 10, 13, 2, 0, 8, 19, 16, 12, 10, 16, 14, 22, 21, 9, 25, 15, 30, 22, 16, 10, 24, 28, 25, 32, 31, 12, 26, 20, 16, 9, 25, 39, 28, 28, 38, 22, 42, 33, 41, 30, 22, 49, 32, 16, 42, 36, 44, 27, 55]

cp's OEIS Frontend

A223487 Number of missing residues in Lucas sequence mod n.

Table of values

List of values

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

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

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