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.

A251755 Digital root of n + n^2.

Table of values

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

List of values

[0, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3, 6, 2, 9, 9, 2, 6, 3, 2, 3]