A380871 - cp's OEIS frontend

A380871 Limit of the trajectory of n under A380873: concatenate sum and product of digits, if it ends on a fixed point, otherwise the least element of the limit cycle.

n	a(n)
0	0
1	50
2	70
3	70
4	70
5	80
6	1236
7	40
8	88
9	10
10	10
11	50
12	50
13	60
14	20
15	50
16	70
17	50
18	70
19	10
20	20
21	50
22	70
23	50
24	70
25	80
26	70
27	10
28	80
29	90
30	30
31	60
32	50
33	70
34	60
35	90
36	90
37	40
38	88
39	90
40	40
41	20
42	70
43	60
44	70
45	20
46	70
47	40
48	70
49	10
50	50
51	50
52	80
53	90
54	20
55	80
56	50
57	50
58	80
59	40
60	60
61	70
62	70
63	90
64	70
65	50
66	1236
67	70
68	70
69	70
70	70
71	50
72	10

[0, 50, 70, 70, 70, 80, 1236, 40, 88, 10, 10, 50, 50, 60, 20, 50, 70, 50, 70, 10, 20, 50, 70, 50, 70, 80, 70, 10, 80, 90, 30, 60, 50, 70, 60, 90, 90, 40, 88, 90, 40, 20, 70, 60, 70, 20, 70, 40, 70, 10, 50, 50, 80, 90, 20, 80, 50, 50, 80, 40, 60, 70, 70, 90, 70, 50, 1236, 70, 70, 70, 70, 50, 10]

cp's OEIS Frontend

A380871 Limit of the trajectory of n under A380873: concatenate sum and product of digits, if it ends on a fixed point, otherwise the least element of the limit cycle.

Table of values

List of values