A305943 - cp's OEIS frontend

A305943 Number of powers of 3 having exactly n digits '0' (in base 10), conjectured.

n	a(n)
0	23
1	15
2	31
3	13
4	18
5	23
6	23
7	25
8	16
9	17
10	28
11	25
12	22
13	20
14	18
15	21
16	19
17	19
18	18
19	24
20	33
21	17
22	17
23	18
24	17
25	14
26	21
27	26
28	25
29	23
30	24
31	29
32	17
33	22
34	18
35	21
36	27
37	26
38	20
39	21
40	13
41	27
42	24
43	12
44	18
45	24
46	16
47	17
48	15
49	30
50	24
51	32
52	24
53	12
54	16
55	16
56	23
57	23
58	20
59	23
60	19
61	23
62	10
63	21
64	20
65	21
66	23
67	20
68	19
69	23
70	23
71	22
72	16
73	18
74	20
75	20
76	13
77	15
78	25
79	24
80	28
81	24
82	21
83	16
84	14
85	23
86	21
87	19
88	23
89	19
90	27
91	26
92	22
93	18
94	27
95	16
96	31
97	21
98	18
99	25
100	24

[23, 15, 31, 13, 18, 23, 23, 25, 16, 17, 28, 25, 22, 20, 18, 21, 19, 19, 18, 24, 33, 17, 17, 18, 17, 14, 21, 26, 25, 23, 24, 29, 17, 22, 18, 21, 27, 26, 20, 21, 13, 27, 24, 12, 18, 24, 16, 17, 15, 30, 24, 32, 24, 12, 16, 16, 23, 23, 20, 23, 19, 23, 10, 21, 20, 21, 23, 20, 19, 23, 23, 22, 16, 18, 20, 20, 13, 15, 25, 24, 28, 24, 21, 16, 14, 23, 21, 19, 23, 19, 27, 26, 22, 18, 27, 16, 31, 21, 18, 25, 24]

cp's OEIS Frontend

A305943 Number of powers of 3 having exactly n digits '0' (in base 10), conjectured.

Table of values

List of values

n	a(n)
0	23
1	15
2	31
3	13
4	18
5	23
6	23
7	25
8	16
9	17
10	28
11	25
12	22
13	20
14	18
15	21
16	19
17	19
18	18
19	24
20	33
21	17
22	17
23	18
24	17
25	14
26	21
27	26
28	25
29	23
30	24
31	29
32	17
33	22
34	18
35	21
36	27
37	26
38	20
39	21
40	13
41	27
42	24
43	12
44	18
45	24
46	16
47	17
48	15
49	30
50	24
51	32
52	24
53	12
54	16
55	16
56	23
57	23
58	20
59	23
60	19
61	23
62	10
63	21
64	20
65	21
66	23
67	20
68	19
69	23
70	23
71	22
72	16
73	18
74	20
75	20
76	13
77	15
78	25
79	24
80	28
81	24
82	21
83	16
84	14
85	23
86	21
87	19
88	23
89	19
90	27
91	26
92	22
93	18
94	27
95	16
96	31
97	21
98	18
99	25
100	24

n	a(n)
0	23
1	15
2	31
3	13
4	18
5	23
6	23
7	25
8	16
9	17
10	28
11	25
12	22
13	20
14	18
15	21
16	19
17	19
18	18
19	24
20	33
21	17
22	17
23	18
24	17
25	14
26	21
27	26
28	25
29	23
30	24
31	29
32	17
33	22
34	18
35	21
36	27
37	26
38	20
39	21
40	13
41	27
42	24
43	12
44	18
45	24
46	16
47	17
48	15
49	30
50	24
51	32
52	24
53	12
54	16
55	16
56	23
57	23
58	20
59	23
60	19
61	23
62	10
63	21
64	20
65	21
66	23
67	20
68	19
69	23
70	23
71	22
72	16
73	18
74	20
75	20
76	13
77	15
78	25
79	24
80	28
81	24
82	21
83	16
84	14
85	23
86	21
87	19
88	23
89	19
90	27
91	26
92	22
93	18
94	27
95	16
96	31
97	21
98	18
99	25
100	24

n	a(n)
0	23
1	15
2	31
3	13
4	18
5	23
6	23
7	25
8	16
9	17
10	28
11	25
12	22
13	20
14	18
15	21
16	19
17	19
18	18
19	24
20	33
21	17
22	17
23	18
24	17
25	14
26	21
27	26
28	25
29	23
30	24
31	29
32	17
33	22
34	18
35	21
36	27
37	26
38	20
39	21
40	13
41	27
42	24
43	12
44	18
45	24
46	16
47	17
48	15
49	30
50	24
51	32
52	24
53	12
54	16
55	16
56	23
57	23
58	20
59	23
60	19
61	23
62	10
63	21
64	20
65	21
66	23
67	20
68	19
69	23
70	23
71	22
72	16
73	18
74	20
75	20
76	13
77	15
78	25
79	24
80	28
81	24
82	21
83	16
84	14
85	23
86	21
87	19
88	23
89	19
90	27
91	26
92	22
93	18
94	27
95	16
96	31
97	21
98	18
99	25
100	24