A335505 - cp's OEIS frontend

A335505 Triangle read by rows, 0 <= k < n, n >= 1: T(n,k) is the eventual period of the sequence x(j) (or 0 if x(j) never enters a cycle) defined as follows: x(0) = 1 and for j > 1 x(j) is obtained from 5*x(j-1) by deleting all occurrences of the digit k in base n.

n	a(n)
1	0
2	1
3	1
4	6
5	1
6	1
7	4
8	1
9	1
10	2
11	1
12	1
13	0
14	0
15	0
16	6
17	60
18	6
19	30
20	2
21	1
22	48
23	2
24	3
25	12
26	0
27	1
28	6
29	156
30	14
31	22
32	2
33	18
34	1
35	34
36	78
37	12
38	36
39	3
40	48
41	0
42	1
43	138
44	198
45	10
46	684
47	1
48	1
49	2
50	20
51	1
52	2
53	0
54	22
55	1872
56	495
57	2
58	50
59	315
60	0
61	1
62	405
63	245
64	2780
65	0
66	1440

[0, 1, 1, 6, 1, 1, 4, 1, 1, 2, 1, 1, 0, 0, 0, 6, 60, 6, 30, 2, 1, 48, 2, 3, 12, 0, 1, 6, 156, 14, 22, 2, 18, 1, 34, 78, 12, 36, 3, 48, 0, 1, 138, 198, 10, 684, 1, 1, 2, 20, 1, 2, 0, 22, 1872, 495, 2, 50, 315, 0, 1, 405, 245, 2780, 0, 1440]

cp's OEIS Frontend

A335505 Triangle read by rows, 0 <= k < n, n >= 1: T(n,k) is the eventual period of the sequence x(j) (or 0 if x(j) never enters a cycle) defined as follows: x(0) = 1 and for j > 1 x(j) is obtained from 5*x(j-1) by deleting all occurrences of the digit k in base n.

Table of values

List of values