A257317 - cp's OEIS frontend

A257317 Number of unordered ways to write n as the sum of two distinct elements of the set {floor(x/3): 3x-1 and 3x+1 are twin prime} one of which is even.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	2
15	3
16	2
17	3
18	2
19	3
20	3
21	3
22	3
23	5
24	3
25	3
26	3
27	5
28	4
29	3
30	3
31	5
32	3
33	5
34	4
35	3
36	3
37	6
38	5
39	2
40	2
41	5
42	5
43	2
44	1
45	3
46	5
47	4
48	3
49	4
50	5
51	5
52	3
53	3
54	4
55	3
56	3
57	3
58	3
59	5
60	4
61	3
62	2
63	4
64	4
65	2
66	3
67	4
68	5
69	6
70	4
71	5
72	4
73	5
74	4
75	3
76	2
77	5
78	3
79	6
80	3
81	3
82	2
83	4
84	3
85	3
86	2
87	2
88	3
89	5
90	2
91	4
92	4
93	7
94	4
95	4
96	4
97	6
98	4
99	6
100	3

[1, 1, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 3, 3, 3, 3, 5, 3, 3, 3, 5, 4, 3, 3, 5, 3, 5, 4, 3, 3, 6, 5, 2, 2, 5, 5, 2, 1, 3, 5, 4, 3, 4, 5, 5, 3, 3, 4, 3, 3, 3, 3, 5, 4, 3, 2, 4, 4, 2, 3, 4, 5, 6, 4, 5, 4, 5, 4, 3, 2, 5, 3, 6, 3, 3, 2, 4, 3, 3, 2, 2, 3, 5, 2, 4, 4, 7, 4, 4, 4, 6, 4, 6, 3]

cp's OEIS Frontend

A257317 Number of unordered ways to write n as the sum of two distinct elements of the set {floor(x/3): 3x-1 and 3x+1 are twin prime} one of which is even.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	2
15	3
16	2
17	3
18	2
19	3
20	3
21	3
22	3
23	5
24	3
25	3
26	3
27	5
28	4
29	3
30	3
31	5
32	3
33	5
34	4
35	3
36	3
37	6
38	5
39	2
40	2
41	5
42	5
43	2
44	1
45	3
46	5
47	4
48	3
49	4
50	5
51	5
52	3
53	3
54	4
55	3
56	3
57	3
58	3
59	5
60	4
61	3
62	2
63	4
64	4
65	2
66	3
67	4
68	5
69	6
70	4
71	5
72	4
73	5
74	4
75	3
76	2
77	5
78	3
79	6
80	3
81	3
82	2
83	4
84	3
85	3
86	2
87	2
88	3
89	5
90	2
91	4
92	4
93	7
94	4
95	4
96	4
97	6
98	4
99	6
100	3

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	2
15	3
16	2
17	3
18	2
19	3
20	3
21	3
22	3
23	5
24	3
25	3
26	3
27	5
28	4
29	3
30	3
31	5
32	3
33	5
34	4
35	3
36	3
37	6
38	5
39	2
40	2
41	5
42	5
43	2
44	1
45	3
46	5
47	4
48	3
49	4
50	5
51	5
52	3
53	3
54	4
55	3
56	3
57	3
58	3
59	5
60	4
61	3
62	2
63	4
64	4
65	2
66	3
67	4
68	5
69	6
70	4
71	5
72	4
73	5
74	4
75	3
76	2
77	5
78	3
79	6
80	3
81	3
82	2
83	4
84	3
85	3
86	2
87	2
88	3
89	5
90	2
91	4
92	4
93	7
94	4
95	4
96	4
97	6
98	4
99	6
100	3

cp's OEIS Frontend

A257317 Number of unordered ways to write n as the sum of two distinct elements of the set {floor(x/3): 3*x-1 and 3*x+1 are twin prime} one of which is even.

Table of values

List of values

A257317 Number of unordered ways to write n as the sum of two distinct elements of the set {floor(x/3): 3x-1 and 3x+1 are twin prime} one of which is even.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	2
15	3
16	2
17	3
18	2
19	3
20	3
21	3
22	3
23	5
24	3
25	3
26	3
27	5
28	4
29	3
30	3
31	5
32	3
33	5
34	4
35	3
36	3
37	6
38	5
39	2
40	2
41	5
42	5
43	2
44	1
45	3
46	5
47	4
48	3
49	4
50	5
51	5
52	3
53	3
54	4
55	3
56	3
57	3
58	3
59	5
60	4
61	3
62	2
63	4
64	4
65	2
66	3
67	4
68	5
69	6
70	4
71	5
72	4
73	5
74	4
75	3
76	2
77	5
78	3
79	6
80	3
81	3
82	2
83	4
84	3
85	3
86	2
87	2
88	3
89	5
90	2
91	4
92	4
93	7
94	4
95	4
96	4
97	6
98	4
99	6
100	3