A054546 - cp's OEIS frontend

A054546 First differences of nonprimes (including 0 and 1, A002808).

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

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

cp's OEIS Frontend

A054546 First differences of nonprimes (including 0 and 1, A002808).

Table of values

List of values

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

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

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