A342156 - cp's OEIS frontend

A342156 For n > 2, a(n) = 0,1,2, or 3 when (prime(n+1) mod 6, prime(n) mod 6) = (1,1),(1,5),(5,1), or (5,5), respectively.

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

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

cp's OEIS Frontend

A342156 For n > 2, a(n) = 0,1,2, or 3 when (prime(n+1) mod 6, prime(n) mod 6) = (1,1),(1,5),(5,1), or (5,5), respectively.

Table of values

List of values

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

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

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