A107279 - cp's OEIS frontend

A107279 a(n) = 1 if n is an odd prime, a(n) = 2 if n is a nonzero even number, otherwise a(n) = 0.

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

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

cp's OEIS Frontend

A107279 a(n) = 1 if n is an odd prime, a(n) = 2 if n is a nonzero even number, otherwise a(n) = 0.

Table of values

List of values

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

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

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