A023397 - cp's OEIS frontend

A023397 In base 10, if any power of 2 ends with k 2's and 3's, they must be the first k terms of this sequence in reverse order.

n	a(n)
1	2
2	3
3	2
4	3
5	2
6	2
7	2
8	3
9	2
10	3
11	2
12	3
13	3
14	2
15	3
16	3
17	3
18	3
19	3
20	3
21	2
22	3
23	2
24	2
25	2
26	3
27	3
28	3
29	3
30	3
31	3
32	3
33	3
34	2
35	3
36	3
37	2
38	3
39	3
40	3
41	3
42	3
43	2
44	2
45	2
46	2
47	3
48	3
49	2
50	3
51	2
52	2
53	3
54	2
55	2
56	3
57	2
58	2
59	3
60	2
61	2
62	2
63	2
64	3
65	2
66	2
67	3
68	2
69	3
70	3
71	3
72	2
73	2
74	3
75	3
76	3
77	2
78	3
79	3
80	3
81	2
82	2
83	2
84	2
85	2
86	3
87	2
88	2
89	3
90	3
91	3
92	2
93	3
94	2
95	3
96	3
97	2
98	3
99	2
100	3
101	3
102	2
103	2
104	2
105	2
106	2
107	3
108	2

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

cp's OEIS Frontend

A023397 In base 10, if any power of 2 ends with k 2's and 3's, they must be the first k terms of this sequence in reverse order.

Table of values

List of values

n	a(n)
1	2
2	3
3	2
4	3
5	2
6	2
7	2
8	3
9	2
10	3
11	2
12	3
13	3
14	2
15	3
16	3
17	3
18	3
19	3
20	3
21	2
22	3
23	2
24	2
25	2
26	3
27	3
28	3
29	3
30	3
31	3
32	3
33	3
34	2
35	3
36	3
37	2
38	3
39	3
40	3
41	3
42	3
43	2
44	2
45	2
46	2
47	3
48	3
49	2
50	3
51	2
52	2
53	3
54	2
55	2
56	3
57	2
58	2
59	3
60	2
61	2
62	2
63	2
64	3
65	2
66	2
67	3
68	2
69	3
70	3
71	3
72	2
73	2
74	3
75	3
76	3
77	2
78	3
79	3
80	3
81	2
82	2
83	2
84	2
85	2
86	3
87	2
88	2
89	3
90	3
91	3
92	2
93	3
94	2
95	3
96	3
97	2
98	3
99	2
100	3
101	3
102	2
103	2
104	2
105	2
106	2
107	3
108	2

n	a(n)
1	2
2	3
3	2
4	3
5	2
6	2
7	2
8	3
9	2
10	3
11	2
12	3
13	3
14	2
15	3
16	3
17	3
18	3
19	3
20	3
21	2
22	3
23	2
24	2
25	2
26	3
27	3
28	3
29	3
30	3
31	3
32	3
33	3
34	2
35	3
36	3
37	2
38	3
39	3
40	3
41	3
42	3
43	2
44	2
45	2
46	2
47	3
48	3
49	2
50	3
51	2
52	2
53	3
54	2
55	2
56	3
57	2
58	2
59	3
60	2
61	2
62	2
63	2
64	3
65	2
66	2
67	3
68	2
69	3
70	3
71	3
72	2
73	2
74	3
75	3
76	3
77	2
78	3
79	3
80	3
81	2
82	2
83	2
84	2
85	2
86	3
87	2
88	2
89	3
90	3
91	3
92	2
93	3
94	2
95	3
96	3
97	2
98	3
99	2
100	3
101	3
102	2
103	2
104	2
105	2
106	2
107	3
108	2

n	a(n)
1	2
2	3
3	2
4	3
5	2
6	2
7	2
8	3
9	2
10	3
11	2
12	3
13	3
14	2
15	3
16	3
17	3
18	3
19	3
20	3
21	2
22	3
23	2
24	2
25	2
26	3
27	3
28	3
29	3
30	3
31	3
32	3
33	3
34	2
35	3
36	3
37	2
38	3
39	3
40	3
41	3
42	3
43	2
44	2
45	2
46	2
47	3
48	3
49	2
50	3
51	2
52	2
53	3
54	2
55	2
56	3
57	2
58	2
59	3
60	2
61	2
62	2
63	2
64	3
65	2
66	2
67	3
68	2
69	3
70	3
71	3
72	2
73	2
74	3
75	3
76	3
77	2
78	3
79	3
80	3
81	2
82	2
83	2
84	2
85	2
86	3
87	2
88	2
89	3
90	3
91	3
92	2
93	3
94	2
95	3
96	3
97	2
98	3
99	2
100	3
101	3
102	2
103	2
104	2
105	2
106	2
107	3
108	2