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.

A104618 Write the natural numbers in base 15 in a triangle with k digits in the k-th row, as shown below. Sequence gives the leading diagonal.

Table of values

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

List of values

[1, 3, 6, 10, 1, 1, 6, 10, 2, 2, 10, 1, 3, 4, 7, 0, 5, 6, 12, 7, 8, 8, 10, 7, 11, 12, 1, 0, 1, 1, 1, 1, 1, 3, 1, 1, 5, 1, 1, 8, 1, 1, 11, 1, 1, 14, 2, 2, 2, 2, 2, 5, 2, 2, 9, 2, 2, 13, 2, 3, 2, 3, 3, 6, 3, 3, 10, 3, 3, 0, 4, 4, 5, 4, 4, 10, 4, 4, 0, 5, 5, 5, 5, 5, 11, 5, 6, 2, 6, 6, 8, 6, 6, 14, 7, 7, 5, 7, 7]