A354782 - cp's OEIS frontend

A354782 Second digit from left in decimal expansion of 2^n (n >= 4).

n	a(n)
4	6
5	2
6	4
7	2
8	5
9	1
10	0
11	0
12	0
13	1
14	6
15	2
16	5
17	3
18	6
19	2
20	0
21	0
22	1
23	3
24	6
25	3
26	7
27	3
28	6
29	3
30	0
31	1
32	2
33	5
34	7
35	4
36	8
37	3
38	7
39	4
40	0
41	1
42	3
43	7
44	7
45	5
46	0
47	4
48	8
49	6
50	1
51	2
52	5
53	0
54	8
55	6
56	2
57	4
58	8
59	7
60	1
61	3
62	6
63	2
64	8
65	6
66	3
67	4
68	9
69	9
70	1
71	3
72	7
73	4
74	8
75	7
76	5
77	5
78	0
79	0
80	2
81	4
82	8
83	6
84	9
85	8
86	7
87	5
88	0
89	1
90	2
91	4
92	9
93	9
94	9
95	9
96	9
97	5
98	1
99	3
100	2
101	5
102	0
103	0
104	0
105	0
106	1
107	6
108	2
109	4
110	2
111	5
112	1

[6, 2, 4, 2, 5, 1, 0, 0, 0, 1, 6, 2, 5, 3, 6, 2, 0, 0, 1, 3, 6, 3, 7, 3, 6, 3, 0, 1, 2, 5, 7, 4, 8, 3, 7, 4, 0, 1, 3, 7, 7, 5, 0, 4, 8, 6, 1, 2, 5, 0, 8, 6, 2, 4, 8, 7, 1, 3, 6, 2, 8, 6, 3, 4, 9, 9, 1, 3, 7, 4, 8, 7, 5, 5, 0, 0, 2, 4, 8, 6, 9, 8, 7, 5, 0, 1, 2, 4, 9, 9, 9, 9, 9, 5, 1, 3, 2, 5, 0, 0, 0, 0, 1, 6, 2, 4, 2, 5, 1]

cp's OEIS Frontend

A354782 Second digit from left in decimal expansion of 2^n (n >= 4).

Table of values

List of values

n	a(n)
4	6
5	2
6	4
7	2
8	5
9	1
10	0
11	0
12	0
13	1
14	6
15	2
16	5
17	3
18	6
19	2
20	0
21	0
22	1
23	3
24	6
25	3
26	7
27	3
28	6
29	3
30	0
31	1
32	2
33	5
34	7
35	4
36	8
37	3
38	7
39	4
40	0
41	1
42	3
43	7
44	7
45	5
46	0
47	4
48	8
49	6
50	1
51	2
52	5
53	0
54	8
55	6
56	2
57	4
58	8
59	7
60	1
61	3
62	6
63	2
64	8
65	6
66	3
67	4
68	9
69	9
70	1
71	3
72	7
73	4
74	8
75	7
76	5
77	5
78	0
79	0
80	2
81	4
82	8
83	6
84	9
85	8
86	7
87	5
88	0
89	1
90	2
91	4
92	9
93	9
94	9
95	9
96	9
97	5
98	1
99	3
100	2
101	5
102	0
103	0
104	0
105	0
106	1
107	6
108	2
109	4
110	2
111	5
112	1

n	a(n)
4	6
5	2
6	4
7	2
8	5
9	1
10	0
11	0
12	0
13	1
14	6
15	2
16	5
17	3
18	6
19	2
20	0
21	0
22	1
23	3
24	6
25	3
26	7
27	3
28	6
29	3
30	0
31	1
32	2
33	5
34	7
35	4
36	8
37	3
38	7
39	4
40	0
41	1
42	3
43	7
44	7
45	5
46	0
47	4
48	8
49	6
50	1
51	2
52	5
53	0
54	8
55	6
56	2
57	4
58	8
59	7
60	1
61	3
62	6
63	2
64	8
65	6
66	3
67	4
68	9
69	9
70	1
71	3
72	7
73	4
74	8
75	7
76	5
77	5
78	0
79	0
80	2
81	4
82	8
83	6
84	9
85	8
86	7
87	5
88	0
89	1
90	2
91	4
92	9
93	9
94	9
95	9
96	9
97	5
98	1
99	3
100	2
101	5
102	0
103	0
104	0
105	0
106	1
107	6
108	2
109	4
110	2
111	5
112	1

n	a(n)
4	6
5	2
6	4
7	2
8	5
9	1
10	0
11	0
12	0
13	1
14	6
15	2
16	5
17	3
18	6
19	2
20	0
21	0
22	1
23	3
24	6
25	3
26	7
27	3
28	6
29	3
30	0
31	1
32	2
33	5
34	7
35	4
36	8
37	3
38	7
39	4
40	0
41	1
42	3
43	7
44	7
45	5
46	0
47	4
48	8
49	6
50	1
51	2
52	5
53	0
54	8
55	6
56	2
57	4
58	8
59	7
60	1
61	3
62	6
63	2
64	8
65	6
66	3
67	4
68	9
69	9
70	1
71	3
72	7
73	4
74	8
75	7
76	5
77	5
78	0
79	0
80	2
81	4
82	8
83	6
84	9
85	8
86	7
87	5
88	0
89	1
90	2
91	4
92	9
93	9
94	9
95	9
96	9
97	5
98	1
99	3
100	2
101	5
102	0
103	0
104	0
105	0
106	1
107	6
108	2
109	4
110	2
111	5
112	1