A156607 - cp's OEIS frontend

A156607 a(n) = number of odd decimal digits of n-th prime + number of prime decimal digits of n-th prime.

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

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

cp's OEIS Frontend

A156607 a(n) = number of odd decimal digits of n-th prime + number of prime decimal digits of n-th prime.

Table of values

List of values

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

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

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