A266123 - cp's OEIS frontend

A266123 Decrement by 1 all digits > 1 in factorial base representation of n and then shift it one digit right.

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

[0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 9, 9, 9, 9, 8, 8, 9, 9, 9, 9, 10, 10, 11, 11, 11, 11, 6, 6, 7, 7, 7, 7, 8, 8, 9, 9, 9, 9, 8, 8, 9, 9, 9, 9, 10, 10, 11, 11, 11, 11, 12, 12, 13, 13, 13, 13, 14, 14, 15, 15, 15, 15, 14, 14, 15, 15, 15, 15, 16, 16, 17, 17, 17, 17, 18]

cp's OEIS Frontend

A266123 Decrement by 1 all digits > 1 in factorial base representation of n and then shift it one digit right.

Table of values

List of values

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

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

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