A073781 - cp's OEIS frontend

A073781 Number of 2's in base-3 representation of n-th prime.

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

[1, 0, 1, 1, 1, 0, 2, 1, 2, 1, 0, 0, 1, 1, 2, 3, 2, 2, 1, 3, 2, 3, 1, 2, 1, 2, 1, 3, 0, 1, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 3, 2, 2, 1, 3, 1, 2, 3, 3, 2, 4, 4, 4, 2, 1, 2, 3, 0, 1, 1, 0, 2, 1, 2, 2, 3, 1, 0, 2, 2, 1, 2, 1, 1, 1, 2, 2, 2, 3, 1, 2, 2, 4, 1, 2, 2, 3, 3]

cp's OEIS Frontend

A073781 Number of 2's in base-3 representation of n-th prime.

Table of values

List of values

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

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

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