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.

A338723 Alternating row sums in triangle A338721.

Table of values

n a(n)
1 1
2 3
3 4
4 6
5 6
6 9
7 9
8 11
9 13
10 14
11 14
12 18
13 18
14 18
15 21
16 23
17 23
18 25
19 25
20 29
21 30
22 30
23 30
24 34
25 36
26 36
27 36
28 39
29 39
30 43
31 43
32 45
33 45
34 45
35 49
36 52
37 52
38 52
39 52
40 56
41 56
42 60
43 60
44 60
45 63
46 63
47 63
48 67
49 69
50 71
51 71
52 71
53 71
54 75
55 76
56 80
57 80
58 80
59 80
60 84
61 84
62 84
63 88
64 90
65 90
66 93
67 93

List of values

[1, 3, 4, 6, 6, 9, 9, 11, 13, 14, 14, 18, 18, 18, 21, 23, 23, 25, 25, 29, 30, 30, 30, 34, 36, 36, 36, 39, 39, 43, 43, 45, 45, 45, 49, 52, 52, 52, 52, 56, 56, 60, 60, 60, 63, 63, 63, 67, 69, 71, 71, 71, 71, 75, 76, 80, 80, 80, 80, 84, 84, 84, 88, 90, 90, 93, 93]