A065719 - cp's OEIS frontend

A065719 Number of 8's in decimal expansion of 2^n.

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

[0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 2, 1, 0, 0, 4, 0, 0, 2, 1, 1, 1, 1, 2, 0, 2, 2, 2, 1, 1, 1, 4, 0, 0, 1, 2, 1, 4, 1, 3, 1, 0, 2, 3, 0, 0, 4, 3, 0, 4, 2, 2, 1, 1, 3, 3, 1, 3, 3, 2, 2, 2, 1, 4, 2, 0, 7, 3, 1, 4, 0, 4, 2, 2, 5, 1, 4, 3, 1, 1, 4, 1, 3, 6, 1, 1, 7, 3, 1, 5, 1, 4, 1]

cp's OEIS Frontend

A065719 Number of 8's in decimal expansion of 2^n.

Table of values

List of values

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

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

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