A287299 - cp's OEIS frontend

A287299 Number of ways of writing n as a sum of a proper prime power (A246547) and a nonprime squarefree number (A000469).

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	0
9	1
10	2
11	0
12	0
13	0
14	2
15	1
16	0
17	1
18	2
19	2
20	0
21	0
22	2
23	2
24	1
25	1
26	3
27	0
28	1
29	1
30	4
31	3
32	0
33	2
34	2
35	2
36	0
37	3
38	4
39	3
40	1
41	2
42	6
43	3
44	1
45	0
46	5
47	4
48	2
49	2
50	4
51	3
52	0
53	2
54	3
55	5
56	0
57	1
58	3
59	4
60	3
61	2
62	4
63	3
64	3
65	4
66	5
67	4
68	0
69	2
70	5
71	5
72	0
73	4
74	6
75	2
76	1
77	1
78	7
79	3
80	1
81	2
82	7
83	4
84	2
85	4
86	5
87	5
88	1
89	3
90	6
91	5
92	1
93	3
94	6
95	6
96	3
97	4
98	4
99	4
100	2
101	4
102	7
103	6
104	3
105	1
106	4
107	4
108	0
109	4
110	6
111	5
112	2
113	2
114	7
115	5
116	2
117	1
118	7
119	8
120	4

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

cp's OEIS Frontend

A287299 Number of ways of writing n as a sum of a proper prime power (A246547) and a nonprime squarefree number (A000469).

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	0
9	1
10	2
11	0
12	0
13	0
14	2
15	1
16	0
17	1
18	2
19	2
20	0
21	0
22	2
23	2
24	1
25	1
26	3
27	0
28	1
29	1
30	4
31	3
32	0
33	2
34	2
35	2
36	0
37	3
38	4
39	3
40	1
41	2
42	6
43	3
44	1
45	0
46	5
47	4
48	2
49	2
50	4
51	3
52	0
53	2
54	3
55	5
56	0
57	1
58	3
59	4
60	3
61	2
62	4
63	3
64	3
65	4
66	5
67	4
68	0
69	2
70	5
71	5
72	0
73	4
74	6
75	2
76	1
77	1
78	7
79	3
80	1
81	2
82	7
83	4
84	2
85	4
86	5
87	5
88	1
89	3
90	6
91	5
92	1
93	3
94	6
95	6
96	3
97	4
98	4
99	4
100	2
101	4
102	7
103	6
104	3
105	1
106	4
107	4
108	0
109	4
110	6
111	5
112	2
113	2
114	7
115	5
116	2
117	1
118	7
119	8
120	4

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	0
9	1
10	2
11	0
12	0
13	0
14	2
15	1
16	0
17	1
18	2
19	2
20	0
21	0
22	2
23	2
24	1
25	1
26	3
27	0
28	1
29	1
30	4
31	3
32	0
33	2
34	2
35	2
36	0
37	3
38	4
39	3
40	1
41	2
42	6
43	3
44	1
45	0
46	5
47	4
48	2
49	2
50	4
51	3
52	0
53	2
54	3
55	5
56	0
57	1
58	3
59	4
60	3
61	2
62	4
63	3
64	3
65	4
66	5
67	4
68	0
69	2
70	5
71	5
72	0
73	4
74	6
75	2
76	1
77	1
78	7
79	3
80	1
81	2
82	7
83	4
84	2
85	4
86	5
87	5
88	1
89	3
90	6
91	5
92	1
93	3
94	6
95	6
96	3
97	4
98	4
99	4
100	2
101	4
102	7
103	6
104	3
105	1
106	4
107	4
108	0
109	4
110	6
111	5
112	2
113	2
114	7
115	5
116	2
117	1
118	7
119	8
120	4

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	0
9	1
10	2
11	0
12	0
13	0
14	2
15	1
16	0
17	1
18	2
19	2
20	0
21	0
22	2
23	2
24	1
25	1
26	3
27	0
28	1
29	1
30	4
31	3
32	0
33	2
34	2
35	2
36	0
37	3
38	4
39	3
40	1
41	2
42	6
43	3
44	1
45	0
46	5
47	4
48	2
49	2
50	4
51	3
52	0
53	2
54	3
55	5
56	0
57	1
58	3
59	4
60	3
61	2
62	4
63	3
64	3
65	4
66	5
67	4
68	0
69	2
70	5
71	5
72	0
73	4
74	6
75	2
76	1
77	1
78	7
79	3
80	1
81	2
82	7
83	4
84	2
85	4
86	5
87	5
88	1
89	3
90	6
91	5
92	1
93	3
94	6
95	6
96	3
97	4
98	4
99	4
100	2
101	4
102	7
103	6
104	3
105	1
106	4
107	4
108	0
109	4
110	6
111	5
112	2
113	2
114	7
115	5
116	2
117	1
118	7
119	8
120	4