A342932 - cp's OEIS frontend

A342932 The unique sequence {a(1), a(2), a(3), a(4), ...} of digits 1, 2, or 3 such that the number a(n)a(n-1)...a(2)a(1), read in base 6, is divisible by 3^n.

n	a(n)
1	3
2	1
3	2
4	3
5	3
6	1
7	1
8	3
9	1
10	2
11	2
12	1
13	1
14	3
15	1
16	3
17	1
18	3
19	3
20	3
21	2
22	3
23	3
24	2
25	1
26	1
27	2
28	1
29	3
30	1
31	2
32	1
33	1
34	3
35	3
36	2
37	2
38	3
39	1
40	3
41	2
42	2
43	2
44	3
45	3
46	1
47	2
48	2
49	2
50	2
51	2
52	1
53	3
54	2
55	2
56	3
57	2
58	2
59	1
60	2
61	1
62	3
63	2
64	2
65	3
66	1
67	1
68	1
69	1
70	1
71	3
72	2
73	2
74	2
75	3
76	3
77	2
78	1
79	3
80	1
81	1
82	2
83	2
84	3
85	1
86	3
87	2
88	3
89	2
90	3
91	1
92	1
93	3
94	1
95	2
96	3
97	3
98	2
99	3
100	2
101	3
102	1
103	1
104	2
105	3

[3, 1, 2, 3, 3, 1, 1, 3, 1, 2, 2, 1, 1, 3, 1, 3, 1, 3, 3, 3, 2, 3, 3, 2, 1, 1, 2, 1, 3, 1, 2, 1, 1, 3, 3, 2, 2, 3, 1, 3, 2, 2, 2, 3, 3, 1, 2, 2, 2, 2, 2, 1, 3, 2, 2, 3, 2, 2, 1, 2, 1, 3, 2, 2, 3, 1, 1, 1, 1, 1, 3, 2, 2, 2, 3, 3, 2, 1, 3, 1, 1, 2, 2, 3, 1, 3, 2, 3, 2, 3, 1, 1, 3, 1, 2, 3, 3, 2, 3, 2, 3, 1, 1, 2, 3]

cp's OEIS Frontend

A342932 The unique sequence {a(1), a(2), a(3), a(4), ...} of digits 1, 2, or 3 such that the number a(n)a(n-1)...a(2)a(1), read in base 6, is divisible by 3^n.

Table of values

List of values

n	a(n)
1	3
2	1
3	2
4	3
5	3
6	1
7	1
8	3
9	1
10	2
11	2
12	1
13	1
14	3
15	1
16	3
17	1
18	3
19	3
20	3
21	2
22	3
23	3
24	2
25	1
26	1
27	2
28	1
29	3
30	1
31	2
32	1
33	1
34	3
35	3
36	2
37	2
38	3
39	1
40	3
41	2
42	2
43	2
44	3
45	3
46	1
47	2
48	2
49	2
50	2
51	2
52	1
53	3
54	2
55	2
56	3
57	2
58	2
59	1
60	2
61	1
62	3
63	2
64	2
65	3
66	1
67	1
68	1
69	1
70	1
71	3
72	2
73	2
74	2
75	3
76	3
77	2
78	1
79	3
80	1
81	1
82	2
83	2
84	3
85	1
86	3
87	2
88	3
89	2
90	3
91	1
92	1
93	3
94	1
95	2
96	3
97	3
98	2
99	3
100	2
101	3
102	1
103	1
104	2
105	3

n	a(n)
1	3
2	1
3	2
4	3
5	3
6	1
7	1
8	3
9	1
10	2
11	2
12	1
13	1
14	3
15	1
16	3
17	1
18	3
19	3
20	3
21	2
22	3
23	3
24	2
25	1
26	1
27	2
28	1
29	3
30	1
31	2
32	1
33	1
34	3
35	3
36	2
37	2
38	3
39	1
40	3
41	2
42	2
43	2
44	3
45	3
46	1
47	2
48	2
49	2
50	2
51	2
52	1
53	3
54	2
55	2
56	3
57	2
58	2
59	1
60	2
61	1
62	3
63	2
64	2
65	3
66	1
67	1
68	1
69	1
70	1
71	3
72	2
73	2
74	2
75	3
76	3
77	2
78	1
79	3
80	1
81	1
82	2
83	2
84	3
85	1
86	3
87	2
88	3
89	2
90	3
91	1
92	1
93	3
94	1
95	2
96	3
97	3
98	2
99	3
100	2
101	3
102	1
103	1
104	2
105	3

n	a(n)
1	3
2	1
3	2
4	3
5	3
6	1
7	1
8	3
9	1
10	2
11	2
12	1
13	1
14	3
15	1
16	3
17	1
18	3
19	3
20	3
21	2
22	3
23	3
24	2
25	1
26	1
27	2
28	1
29	3
30	1
31	2
32	1
33	1
34	3
35	3
36	2
37	2
38	3
39	1
40	3
41	2
42	2
43	2
44	3
45	3
46	1
47	2
48	2
49	2
50	2
51	2
52	1
53	3
54	2
55	2
56	3
57	2
58	2
59	1
60	2
61	1
62	3
63	2
64	2
65	3
66	1
67	1
68	1
69	1
70	1
71	3
72	2
73	2
74	2
75	3
76	3
77	2
78	1
79	3
80	1
81	1
82	2
83	2
84	3
85	1
86	3
87	2
88	3
89	2
90	3
91	1
92	1
93	3
94	1
95	2
96	3
97	3
98	2
99	3
100	2
101	3
102	1
103	1
104	2
105	3