A328570 - cp's OEIS frontend

A328570 Index of the least significant zero digit in the primorial base expansion of n, when the rightmost digit is in the position 1.

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

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

cp's OEIS Frontend

A328570 Index of the least significant zero digit in the primorial base expansion of n, when the rightmost digit is in the position 1.

Table of values

List of values

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

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

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