A375735 - cp's OEIS frontend

A375735 First differences of non-prime-powers (inclusive).

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

[4, 2, 2, 1, 3, 2, 1, 1, 2, 2, 2, 2, 3, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 2, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 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, 2, 1, 1, 2, 3, 1, 2, 1, 1]

cp's OEIS Frontend

A375735 First differences of non-prime-powers (inclusive).

Table of values

List of values

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

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

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