A257260 - cp's OEIS frontend

A257260 One-based position of the rightmost zero in the factorial base representation of n (A007623), 0 if no nonleading zeros present.

n	a(n)
1	0
2	1
3	0
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	0
12	1
13	2
14	1
15	0
16	1
17	0
18	1
19	2
20	1
21	0
22	1
23	0
24	1
25	2
26	1
27	3
28	1
29	3
30	1
31	2
32	1
33	0
34	1
35	0
36	1
37	2
38	1
39	0
40	1
41	0
42	1
43	2
44	1
45	0
46	1
47	0
48	1
49	2
50	1
51	3
52	1
53	3
54	1
55	2
56	1
57	0
58	1
59	0
60	1
61	2
62	1
63	0
64	1
65	0
66	1
67	2
68	1
69	0
70	1
71	0
72	1
73	2
74	1
75	3
76	1
77	3
78	1
79	2
80	1
81	0
82	1
83	0
84	1
85	2
86	1
87	0
88	1
89	0
90	1
91	2
92	1
93	0
94	1
95	0
96	1
97	2
98	1
99	3
100	1
101	3
102	1
103	2
104	1
105	0
106	1
107	0
108	1
109	2
110	1
111	0
112	1
113	0
114	1
115	2
116	1
117	0
118	1
119	0
120	1

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

cp's OEIS Frontend

A257260 One-based position of the rightmost zero in the factorial base representation of n (A007623), 0 if no nonleading zeros present.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	0
12	1
13	2
14	1
15	0
16	1
17	0
18	1
19	2
20	1
21	0
22	1
23	0
24	1
25	2
26	1
27	3
28	1
29	3
30	1
31	2
32	1
33	0
34	1
35	0
36	1
37	2
38	1
39	0
40	1
41	0
42	1
43	2
44	1
45	0
46	1
47	0
48	1
49	2
50	1
51	3
52	1
53	3
54	1
55	2
56	1
57	0
58	1
59	0
60	1
61	2
62	1
63	0
64	1
65	0
66	1
67	2
68	1
69	0
70	1
71	0
72	1
73	2
74	1
75	3
76	1
77	3
78	1
79	2
80	1
81	0
82	1
83	0
84	1
85	2
86	1
87	0
88	1
89	0
90	1
91	2
92	1
93	0
94	1
95	0
96	1
97	2
98	1
99	3
100	1
101	3
102	1
103	2
104	1
105	0
106	1
107	0
108	1
109	2
110	1
111	0
112	1
113	0
114	1
115	2
116	1
117	0
118	1
119	0
120	1

n	a(n)
1	0
2	1
3	0
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	0
12	1
13	2
14	1
15	0
16	1
17	0
18	1
19	2
20	1
21	0
22	1
23	0
24	1
25	2
26	1
27	3
28	1
29	3
30	1
31	2
32	1
33	0
34	1
35	0
36	1
37	2
38	1
39	0
40	1
41	0
42	1
43	2
44	1
45	0
46	1
47	0
48	1
49	2
50	1
51	3
52	1
53	3
54	1
55	2
56	1
57	0
58	1
59	0
60	1
61	2
62	1
63	0
64	1
65	0
66	1
67	2
68	1
69	0
70	1
71	0
72	1
73	2
74	1
75	3
76	1
77	3
78	1
79	2
80	1
81	0
82	1
83	0
84	1
85	2
86	1
87	0
88	1
89	0
90	1
91	2
92	1
93	0
94	1
95	0
96	1
97	2
98	1
99	3
100	1
101	3
102	1
103	2
104	1
105	0
106	1
107	0
108	1
109	2
110	1
111	0
112	1
113	0
114	1
115	2
116	1
117	0
118	1
119	0
120	1

n	a(n)
1	0
2	1
3	0
4	1
5	0
6	1
7	2
8	1
9	0
10	1
11	0
12	1
13	2
14	1
15	0
16	1
17	0
18	1
19	2
20	1
21	0
22	1
23	0
24	1
25	2
26	1
27	3
28	1
29	3
30	1
31	2
32	1
33	0
34	1
35	0
36	1
37	2
38	1
39	0
40	1
41	0
42	1
43	2
44	1
45	0
46	1
47	0
48	1
49	2
50	1
51	3
52	1
53	3
54	1
55	2
56	1
57	0
58	1
59	0
60	1
61	2
62	1
63	0
64	1
65	0
66	1
67	2
68	1
69	0
70	1
71	0
72	1
73	2
74	1
75	3
76	1
77	3
78	1
79	2
80	1
81	0
82	1
83	0
84	1
85	2
86	1
87	0
88	1
89	0
90	1
91	2
92	1
93	0
94	1
95	0
96	1
97	2
98	1
99	3
100	1
101	3
102	1
103	2
104	1
105	0
106	1
107	0
108	1
109	2
110	1
111	0
112	1
113	0
114	1
115	2
116	1
117	0
118	1
119	0
120	1