A154940 - cp's OEIS frontend

A154940 Number of ways to express n as the sum of an odd prime, a Lucas number and a Catalan number.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	2
7	3
8	4
9	5
10	5
11	6
12	5
13	5
14	5
15	7
16	7
17	6
18	5
19	9
20	8
21	8
22	9
23	10
24	7
25	9
26	10
27	7
28	9
29	7
30	6
31	7
32	9
33	7
34	9
35	11
36	9
37	9
38	8
39	8
40	7
41	7
42	7
43	8
44	8
45	9
46	11
47	10
48	10
49	13
50	12
51	10
52	10
53	10
54	10
55	10
56	14
57	9
58	7
59	11
60	11
61	9
62	14
63	12
64	10
65	12
66	13
67	9
68	11
69	8
70	7
71	10
72	12
73	10
74	12
75	12
76	12
77	12
78	11
79	11
80	12
81	8
82	11
83	11
84	14
85	10
86	13
87	10

[0, 0, 0, 0, 1, 2, 3, 4, 5, 5, 6, 5, 5, 5, 7, 7, 6, 5, 9, 8, 8, 9, 10, 7, 9, 10, 7, 9, 7, 6, 7, 9, 7, 9, 11, 9, 9, 8, 8, 7, 7, 7, 8, 8, 9, 11, 10, 10, 13, 12, 10, 10, 10, 10, 10, 14, 9, 7, 11, 11, 9, 14, 12, 10, 12, 13, 9, 11, 8, 7, 10, 12, 10, 12, 12, 12, 12, 11, 11, 12, 8, 11, 11, 14, 10, 13, 10]

cp's OEIS Frontend

A154940 Number of ways to express n as the sum of an odd prime, a Lucas number and a Catalan number.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	2
7	3
8	4
9	5
10	5
11	6
12	5
13	5
14	5
15	7
16	7
17	6
18	5
19	9
20	8
21	8
22	9
23	10
24	7
25	9
26	10
27	7
28	9
29	7
30	6
31	7
32	9
33	7
34	9
35	11
36	9
37	9
38	8
39	8
40	7
41	7
42	7
43	8
44	8
45	9
46	11
47	10
48	10
49	13
50	12
51	10
52	10
53	10
54	10
55	10
56	14
57	9
58	7
59	11
60	11
61	9
62	14
63	12
64	10
65	12
66	13
67	9
68	11
69	8
70	7
71	10
72	12
73	10
74	12
75	12
76	12
77	12
78	11
79	11
80	12
81	8
82	11
83	11
84	14
85	10
86	13
87	10

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	2
7	3
8	4
9	5
10	5
11	6
12	5
13	5
14	5
15	7
16	7
17	6
18	5
19	9
20	8
21	8
22	9
23	10
24	7
25	9
26	10
27	7
28	9
29	7
30	6
31	7
32	9
33	7
34	9
35	11
36	9
37	9
38	8
39	8
40	7
41	7
42	7
43	8
44	8
45	9
46	11
47	10
48	10
49	13
50	12
51	10
52	10
53	10
54	10
55	10
56	14
57	9
58	7
59	11
60	11
61	9
62	14
63	12
64	10
65	12
66	13
67	9
68	11
69	8
70	7
71	10
72	12
73	10
74	12
75	12
76	12
77	12
78	11
79	11
80	12
81	8
82	11
83	11
84	14
85	10
86	13
87	10

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	2
7	3
8	4
9	5
10	5
11	6
12	5
13	5
14	5
15	7
16	7
17	6
18	5
19	9
20	8
21	8
22	9
23	10
24	7
25	9
26	10
27	7
28	9
29	7
30	6
31	7
32	9
33	7
34	9
35	11
36	9
37	9
38	8
39	8
40	7
41	7
42	7
43	8
44	8
45	9
46	11
47	10
48	10
49	13
50	12
51	10
52	10
53	10
54	10
55	10
56	14
57	9
58	7
59	11
60	11
61	9
62	14
63	12
64	10
65	12
66	13
67	9
68	11
69	8
70	7
71	10
72	12
73	10
74	12
75	12
76	12
77	12
78	11
79	11
80	12
81	8
82	11
83	11
84	14
85	10
86	13
87	10