A241844 - cp's OEIS frontend

A241844 Number of ordered ways to write n = k + m with k > 0 and m > 0 such that L(k) + m is prime, where L(k) is the k-th Lucas number.

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

[0, 1, 1, 2, 1, 2, 3, 1, 1, 3, 3, 3, 2, 3, 2, 4, 3, 4, 4, 2, 2, 5, 4, 4, 4, 4, 2, 5, 4, 6, 5, 3, 1, 5, 7, 4, 5, 3, 5, 6, 8, 5, 3, 6, 5, 6, 5, 3, 7, 7, 2, 5, 7, 8, 5, 2, 4, 6, 5, 6, 8, 3, 4, 7, 6, 8, 8, 4, 5, 5, 2, 5, 6, 4, 4, 5, 4, 12, 6, 6]

cp's OEIS Frontend

A241844 Number of ordered ways to write n = k + m with k > 0 and m > 0 such that L(k) + m is prime, where L(k) is the k-th Lucas number.

Table of values

List of values

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

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

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