A121611 - cp's OEIS frontend

A121611 Number of ways to express n as an average of three distinct primes.

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	2
9	3
10	2
11	4
12	3
13	6
14	3
15	6
16	3
17	8
18	3
19	10
20	3
21	12
22	5
23	13
24	5
25	14
26	5
27	17
28	4
29	21
30	4
31	22
32	4
33	21
34	6
35	23
36	5
37	27
38	7
39	32
40	5
41	36
42	5
43	35
44	7
45	34
46	5
47	36
48	7
49	43
50	5
51	46
52	8
53	47
54	8
55	44
56	5
57	52
58	6
59	55
60	6
61	61
62	8
63	58
64	8
65	57
66	9
67	67
68	8
69	71
70	7
71	79
72	7
73	72
74	9
75	69
76	6
77	76
78	7
79	83
80	9
81	94
82	9
83	91
84	9
85	89
86	8
87	94
88	8

[0, 0, 0, 1, 1, 2, 2, 2, 3, 2, 4, 3, 6, 3, 6, 3, 8, 3, 10, 3, 12, 5, 13, 5, 14, 5, 17, 4, 21, 4, 22, 4, 21, 6, 23, 5, 27, 7, 32, 5, 36, 5, 35, 7, 34, 5, 36, 7, 43, 5, 46, 8, 47, 8, 44, 5, 52, 6, 55, 6, 61, 8, 58, 8, 57, 9, 67, 8, 71, 7, 79, 7, 72, 9, 69, 6, 76, 7, 83, 9, 94, 9, 91, 9, 89, 8, 94, 8]

cp's OEIS Frontend

A121611 Number of ways to express n as an average of three distinct primes.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	2
9	3
10	2
11	4
12	3
13	6
14	3
15	6
16	3
17	8
18	3
19	10
20	3
21	12
22	5
23	13
24	5
25	14
26	5
27	17
28	4
29	21
30	4
31	22
32	4
33	21
34	6
35	23
36	5
37	27
38	7
39	32
40	5
41	36
42	5
43	35
44	7
45	34
46	5
47	36
48	7
49	43
50	5
51	46
52	8
53	47
54	8
55	44
56	5
57	52
58	6
59	55
60	6
61	61
62	8
63	58
64	8
65	57
66	9
67	67
68	8
69	71
70	7
71	79
72	7
73	72
74	9
75	69
76	6
77	76
78	7
79	83
80	9
81	94
82	9
83	91
84	9
85	89
86	8
87	94
88	8

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	2
9	3
10	2
11	4
12	3
13	6
14	3
15	6
16	3
17	8
18	3
19	10
20	3
21	12
22	5
23	13
24	5
25	14
26	5
27	17
28	4
29	21
30	4
31	22
32	4
33	21
34	6
35	23
36	5
37	27
38	7
39	32
40	5
41	36
42	5
43	35
44	7
45	34
46	5
47	36
48	7
49	43
50	5
51	46
52	8
53	47
54	8
55	44
56	5
57	52
58	6
59	55
60	6
61	61
62	8
63	58
64	8
65	57
66	9
67	67
68	8
69	71
70	7
71	79
72	7
73	72
74	9
75	69
76	6
77	76
78	7
79	83
80	9
81	94
82	9
83	91
84	9
85	89
86	8
87	94
88	8

n	a(n)
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	2
9	3
10	2
11	4
12	3
13	6
14	3
15	6
16	3
17	8
18	3
19	10
20	3
21	12
22	5
23	13
24	5
25	14
26	5
27	17
28	4
29	21
30	4
31	22
32	4
33	21
34	6
35	23
36	5
37	27
38	7
39	32
40	5
41	36
42	5
43	35
44	7
45	34
46	5
47	36
48	7
49	43
50	5
51	46
52	8
53	47
54	8
55	44
56	5
57	52
58	6
59	55
60	6
61	61
62	8
63	58
64	8
65	57
66	9
67	67
68	8
69	71
70	7
71	79
72	7
73	72
74	9
75	69
76	6
77	76
78	7
79	83
80	9
81	94
82	9
83	91
84	9
85	89
86	8
87	94
88	8