A330248 - cp's OEIS frontend

A330248 a(1) = 1; for n > 1, a(n) is the least nonnegative number such that a(n) + a(n-1) + n is a prime number.

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

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

cp's OEIS Frontend

A330248 a(1) = 1; for n > 1, a(n) is the least nonnegative number such that a(n) + a(n-1) + n is a prime number.

Table of values

List of values

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

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

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