A157188 - cp's OEIS frontend

A157188 Number of ways to write prime(n) as p*q-(p+q) with primes p<=q.

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

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

cp's OEIS Frontend

A157188 Number of ways to write prime(n) as p*q-(p+q) with primes p<=q.

Table of values

List of values

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

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

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