A373607 - cp's OEIS frontend

A373607 Sum of the odd-indexed digits in the primorial base representation (A049345) of n.

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	0
7	0
8	1
9	1
10	2
11	2
12	0
13	0
14	1
15	1
16	2
17	2
18	0
19	0
20	1
21	1
22	2
23	2
24	0
25	0
26	1
27	1
28	2
29	2
30	1
31	1
32	2
33	2
34	3
35	3
36	1
37	1
38	2
39	2
40	3
41	3
42	1
43	1
44	2
45	2
46	3
47	3
48	1
49	1
50	2
51	2
52	3
53	3
54	1
55	1
56	2
57	2
58	3
59	3
60	2
61	2
62	3
63	3
64	4
65	4
66	2
67	2
68	3
69	3
70	4
71	4
72	2
73	2
74	3
75	3
76	4
77	4
78	2
79	2
80	3
81	3
82	4
83	4
84	2
85	2
86	3
87	3
88	4
89	4
90	3
91	3
92	4
93	4
94	5
95	5
96	3
97	3
98	4
99	4
100	5
101	5
102	3
103	3
104	4
105	4

[0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 2, 2, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 1, 1, 2, 2, 3, 3, 2, 2, 3, 3, 4, 4, 2, 2, 3, 3, 4, 4, 2, 2, 3, 3, 4, 4, 2, 2, 3, 3, 4, 4, 2, 2, 3, 3, 4, 4, 3, 3, 4, 4, 5, 5, 3, 3, 4, 4, 5, 5, 3, 3, 4, 4]

cp's OEIS Frontend

A373607 Sum of the odd-indexed digits in the primorial base representation (A049345) of n.

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	0
7	0
8	1
9	1
10	2
11	2
12	0
13	0
14	1
15	1
16	2
17	2
18	0
19	0
20	1
21	1
22	2
23	2
24	0
25	0
26	1
27	1
28	2
29	2
30	1
31	1
32	2
33	2
34	3
35	3
36	1
37	1
38	2
39	2
40	3
41	3
42	1
43	1
44	2
45	2
46	3
47	3
48	1
49	1
50	2
51	2
52	3
53	3
54	1
55	1
56	2
57	2
58	3
59	3
60	2
61	2
62	3
63	3
64	4
65	4
66	2
67	2
68	3
69	3
70	4
71	4
72	2
73	2
74	3
75	3
76	4
77	4
78	2
79	2
80	3
81	3
82	4
83	4
84	2
85	2
86	3
87	3
88	4
89	4
90	3
91	3
92	4
93	4
94	5
95	5
96	3
97	3
98	4
99	4
100	5
101	5
102	3
103	3
104	4
105	4

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	0
7	0
8	1
9	1
10	2
11	2
12	0
13	0
14	1
15	1
16	2
17	2
18	0
19	0
20	1
21	1
22	2
23	2
24	0
25	0
26	1
27	1
28	2
29	2
30	1
31	1
32	2
33	2
34	3
35	3
36	1
37	1
38	2
39	2
40	3
41	3
42	1
43	1
44	2
45	2
46	3
47	3
48	1
49	1
50	2
51	2
52	3
53	3
54	1
55	1
56	2
57	2
58	3
59	3
60	2
61	2
62	3
63	3
64	4
65	4
66	2
67	2
68	3
69	3
70	4
71	4
72	2
73	2
74	3
75	3
76	4
77	4
78	2
79	2
80	3
81	3
82	4
83	4
84	2
85	2
86	3
87	3
88	4
89	4
90	3
91	3
92	4
93	4
94	5
95	5
96	3
97	3
98	4
99	4
100	5
101	5
102	3
103	3
104	4
105	4

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	0
7	0
8	1
9	1
10	2
11	2
12	0
13	0
14	1
15	1
16	2
17	2
18	0
19	0
20	1
21	1
22	2
23	2
24	0
25	0
26	1
27	1
28	2
29	2
30	1
31	1
32	2
33	2
34	3
35	3
36	1
37	1
38	2
39	2
40	3
41	3
42	1
43	1
44	2
45	2
46	3
47	3
48	1
49	1
50	2
51	2
52	3
53	3
54	1
55	1
56	2
57	2
58	3
59	3
60	2
61	2
62	3
63	3
64	4
65	4
66	2
67	2
68	3
69	3
70	4
71	4
72	2
73	2
74	3
75	3
76	4
77	4
78	2
79	2
80	3
81	3
82	4
83	4
84	2
85	2
86	3
87	3
88	4
89	4
90	3
91	3
92	4
93	4
94	5
95	5
96	3
97	3
98	4
99	4
100	5
101	5
102	3
103	3
104	4
105	4