A057768 - cp's OEIS frontend

A057768 From Goldbach problem: number of decompositions of 2n-1 into sum of a prime lucky number(from A031157) and a twin even-lucky-number(from A045955, A045956).

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	2
10	1
11	2
12	3
13	1
14	1
15	1
16	2
17	2
18	2
19	2
20	3
21	3
22	2
23	4
24	5
25	2
26	3
27	4
28	4
29	2
30	2
31	2
32	3
33	2
34	1
35	3
36	4
37	3
38	4
39	4
40	4
41	4
42	5
43	3
44	3
45	3
46	2
47	2
48	2
49	2
50	4
51	2
52	3
53	3
54	3
55	3
56	3
57	3
58	3
59	2
60	4
61	3
62	2
63	2
64	4
65	4
66	4
67	3
68	4
69	3
70	3
71	4
72	5
73	4
74	3
75	3
76	4
77	3
78	3
79	1
80	5
81	4
82	2
83	3
84	6
85	4
86	5
87	5
88	4
89	4
90	6
91	4
92	5
93	3
94	1
95	2
96	3
97	4
98	5
99	4
100	3
101	5
102	6
103	3
104	3

[0, 0, 1, 1, 2, 1, 2, 2, 2, 2, 1, 2, 3, 1, 1, 1, 2, 2, 2, 2, 3, 3, 2, 4, 5, 2, 3, 4, 4, 2, 2, 2, 3, 2, 1, 3, 4, 3, 4, 4, 4, 4, 5, 3, 3, 3, 2, 2, 2, 2, 4, 2, 3, 3, 3, 3, 3, 3, 3, 2, 4, 3, 2, 2, 4, 4, 4, 3, 4, 3, 3, 4, 5, 4, 3, 3, 4, 3, 3, 1, 5, 4, 2, 3, 6, 4, 5, 5, 4, 4, 6, 4, 5, 3, 1, 2, 3, 4, 5, 4, 3, 5, 6, 3, 3]

cp's OEIS Frontend

A057768 From Goldbach problem: number of decompositions of 2n-1 into sum of a prime lucky number(from A031157) and a twin even-lucky-number(from A045955, A045956).

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	2
10	1
11	2
12	3
13	1
14	1
15	1
16	2
17	2
18	2
19	2
20	3
21	3
22	2
23	4
24	5
25	2
26	3
27	4
28	4
29	2
30	2
31	2
32	3
33	2
34	1
35	3
36	4
37	3
38	4
39	4
40	4
41	4
42	5
43	3
44	3
45	3
46	2
47	2
48	2
49	2
50	4
51	2
52	3
53	3
54	3
55	3
56	3
57	3
58	3
59	2
60	4
61	3
62	2
63	2
64	4
65	4
66	4
67	3
68	4
69	3
70	3
71	4
72	5
73	4
74	3
75	3
76	4
77	3
78	3
79	1
80	5
81	4
82	2
83	3
84	6
85	4
86	5
87	5
88	4
89	4
90	6
91	4
92	5
93	3
94	1
95	2
96	3
97	4
98	5
99	4
100	3
101	5
102	6
103	3
104	3

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	2
10	1
11	2
12	3
13	1
14	1
15	1
16	2
17	2
18	2
19	2
20	3
21	3
22	2
23	4
24	5
25	2
26	3
27	4
28	4
29	2
30	2
31	2
32	3
33	2
34	1
35	3
36	4
37	3
38	4
39	4
40	4
41	4
42	5
43	3
44	3
45	3
46	2
47	2
48	2
49	2
50	4
51	2
52	3
53	3
54	3
55	3
56	3
57	3
58	3
59	2
60	4
61	3
62	2
63	2
64	4
65	4
66	4
67	3
68	4
69	3
70	3
71	4
72	5
73	4
74	3
75	3
76	4
77	3
78	3
79	1
80	5
81	4
82	2
83	3
84	6
85	4
86	5
87	5
88	4
89	4
90	6
91	4
92	5
93	3
94	1
95	2
96	3
97	4
98	5
99	4
100	3
101	5
102	6
103	3
104	3

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	2
10	1
11	2
12	3
13	1
14	1
15	1
16	2
17	2
18	2
19	2
20	3
21	3
22	2
23	4
24	5
25	2
26	3
27	4
28	4
29	2
30	2
31	2
32	3
33	2
34	1
35	3
36	4
37	3
38	4
39	4
40	4
41	4
42	5
43	3
44	3
45	3
46	2
47	2
48	2
49	2
50	4
51	2
52	3
53	3
54	3
55	3
56	3
57	3
58	3
59	2
60	4
61	3
62	2
63	2
64	4
65	4
66	4
67	3
68	4
69	3
70	3
71	4
72	5
73	4
74	3
75	3
76	4
77	3
78	3
79	1
80	5
81	4
82	2
83	3
84	6
85	4
86	5
87	5
88	4
89	4
90	6
91	4
92	5
93	3
94	1
95	2
96	3
97	4
98	5
99	4
100	3
101	5
102	6
103	3
104	3