cp's OEIS Frontend

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.

A225091 The odd part of the digit sum of 7^n.

Table of values

n a(n)
0 1
1 7
2 13
3 5
4 7
5 11
6 7
7 25
8 31
9 7
10 43
11 49
12 37
13 13
14 29
15 1
16 13
17 29
18 73
19 79
20 19
21 41
22 97
23 85
24 73
25 97
26 7
27 91
28 133
29 121
30 59
31 115
32 103
33 127
34 71
35 157
36 17
37 115
38 65
39 17
40 71
41 37
42 17
43 169
44 175
45 163
46 187
47 175
48 17
49 89
50 23
51 217
52 49
53 55
54 217
55 107
56 211
57 181
58 241
59 211
60 199
61 205

List of values

[1, 7, 13, 5, 7, 11, 7, 25, 31, 7, 43, 49, 37, 13, 29, 1, 13, 29, 73, 79, 19, 41, 97, 85, 73, 97, 7, 91, 133, 121, 59, 115, 103, 127, 71, 157, 17, 115, 65, 17, 71, 37, 17, 169, 175, 163, 187, 175, 17, 89, 23, 217, 49, 55, 217, 107, 211, 181, 241, 211, 199, 205]