A139281 - cp's OEIS frontend

A139281 If all digits are the same mod 3, stop; otherwise write down the number formed by the 1 mod 3 digits and the number formed by the 2 mod 3 digits and the number formed by the 3 mod 3 digits and multiply them; repeat.

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

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 11, 2, 3, 14, 5, 6, 17, 8, 9, 0, 2, 22, 6, 8, 25, 2, 14, 28, 8, 30, 3, 6, 33, 2, 5, 36, 2, 8, 39, 0, 41, 8, 2, 44, 0, 8, 47, 6, 36, 0, 5, 52, 5, 0, 55, 30, 5, 58, 0, 60, 6, 2, 63, 8, 30, 66, 8, 6, 69, 0, 71, 14, 2, 74, 5, 8, 77, 30, 63, 0, 8, 82, 8, 6, 85, 6, 30]

cp's OEIS Frontend

A139281 If all digits are the same mod 3, stop; otherwise write down the number formed by the 1 mod 3 digits and the number formed by the 2 mod 3 digits and the number formed by the 3 mod 3 digits and multiply them; repeat.

Table of values

List of values

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

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

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