A194188 - cp's OEIS frontend

A194188 Triangle read by rows in which row n lists the numbers k >= 0 such that n-k and n+k are both odd noncomposite numbers.

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

[0, 1, 0, 2, 1, 3, 0, 2, 1, 5, 0, 4, 6, 3, 5, 2, 4, 8, 3, 7, 9, 0, 6, 8, 1, 5, 7, 11, 0, 6, 10, 3, 9, 2, 4, 8, 14, 3, 13, 15, 0, 6, 12, 14, 1, 5, 11, 13, 0, 12, 18, 3, 9, 17, 2, 8, 10, 16, 20, 9, 15, 19, 21, 0, 6, 18, 20, 5, 7, 13, 17, 19, 23, 6, 12, 18, 22, 3, 15, 21, 4, 10, 14, 16, 20, 26, 9, 15, 25, 0, 12, 18, 24, 1, 7, 11, 13, 17, 23, 29]

cp's OEIS Frontend

A194188 Triangle read by rows in which row n lists the numbers k >= 0 such that n-k and n+k are both odd noncomposite numbers.

Table of values

List of values

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

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

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