A335824 - cp's OEIS frontend

A335824 Persistence of the 1-shifted Sloane's problem: number of iterations of "multiply together all the digits of a number (in base 10) shifted by +1" needed to reach a fixed point or a cycle.

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

[2, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 0, 2, 1, 1, 1, 2, 3, 1, 2, 4, 5, 2, 1, 1, 2, 3, 2, 4, 6, 3, 7, 2, 1, 1, 3, 2, 2, 2, 5, 2, 3, 2, 1, 2, 1, 4, 2, 7, 4, 4, 3, 2, 1, 2, 2, 6, 5, 4, 3, 5, 7, 2, 1, 3, 4, 3, 2, 4, 5, 6, 5, 2, 1, 1, 5, 7, 3, 3, 7, 5, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2]

cp's OEIS Frontend

A335824 Persistence of the 1-shifted Sloane's problem: number of iterations of "multiply together all the digits of a number (in base 10) shifted by +1" needed to reach a fixed point or a cycle.

Table of values

List of values

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

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

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