A230260 - cp's OEIS frontend

A230260 Number of decompositions of 2n into unordered sums of two primes with an even sum of Hamming weights.

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

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

cp's OEIS Frontend

A230260 Number of decompositions of 2n into unordered sums of two primes with an even sum of Hamming weights.

Table of values

List of values

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

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

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