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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A023414 If any power of 2 ends with k 7's and 8's, they must be the first k terms of this sequence in reverse order.

Table of values

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

List of values

[8, 8, 8, 7, 7, 8, 7, 8, 7, 8, 8, 8, 8, 8, 7, 8, 8, 8, 7, 8, 8, 8, 8, 8, 7, 7, 8, 8, 7, 8, 8, 7, 8, 7, 8, 8, 8, 7, 8, 7, 8, 7, 7, 8, 8, 7, 8, 7, 7, 7, 8, 8, 8, 8, 7, 7, 8, 7, 8, 8, 8, 7, 7, 7, 8, 7, 8, 8, 7, 7, 7, 8, 7, 7, 8, 8, 7, 8, 8, 8, 7, 8, 8, 7, 8, 7, 8, 8, 7, 7, 8, 8, 7, 8, 8, 7, 8, 8, 7, 8, 7, 8, 7, 8, 7, 8, 8, 8]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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