A095840 - cp's OEIS frontend

A095840 Number of ways to write the n-th prime power as sum of two prime powers.

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

[0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 3, 3, 2, 3, 4, 3, 3, 7, 2, 3, 3, 2, 3, 2, 2, 3, 7, 2, 2, 3, 2, 4, 4, 3, 2, 2, 2, 2, 2, 4, 2, 3, 1, 11, 3, 3, 4, 0, 2, 3, 1, 3, 3, 3, 1, 4, 1, 1, 2, 4, 2, 1, 3, 3, 2, 1, 3, 5, 1, 12, 3, 2, 1, 3, 2, 2, 3, 2, 4, 2, 1, 2, 2, 0, 1, 1, 3, 2, 4, 2, 3, 2, 0, 2, 3, 1, 2, 2, 2, 1, 3]

cp's OEIS Frontend

A095840 Number of ways to write the n-th prime power as sum of two prime powers.

Table of values

List of values

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

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

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