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.

A043274 Sum of the digits of the n-th base 15 palindrome.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 8
10 9
11 10
12 11
13 12
14 13
15 14
16 2
17 4
18 6
19 8
20 10
21 12
22 14
23 16
24 18
25 20
26 22
27 24
28 26
29 28
30 2
31 3
32 4
33 5
34 6
35 7
36 8
37 9
38 10
39 11
40 12
41 13
42 14
43 15
44 16
45 4
46 5
47 6
48 7
49 8
50 9
51 10
52 11
53 12
54 13
55 14
56 15
57 16
58 17
59 18
60 6
61 7
62 8
63 9
64 10
65 11
66 12
67 13
68 14
69 15
70 16
71 17
72 18

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18]