A157187 - cp's OEIS frontend

A157187 Number of ways to write n as p*q-(p+q) with primes p <= q.

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

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

cp's OEIS Frontend

A157187 Number of ways to write n as p*q-(p+q) with primes p <= q.

Table of values

List of values

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

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

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