A257261 - cp's OEIS frontend

A257261 One-based position of the rightmost one in the factorial base representation (A007623) of n, 0 if no one is present.

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

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

cp's OEIS Frontend

A257261 One-based position of the rightmost one in the factorial base representation (A007623) of n, 0 if no one is present.

Table of values

List of values

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

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

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