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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.

A321782 Triangle T(n, k) read by rows, n > 0 and 0 < k <= 3^(n-1): T(n, k) = sqrt((A321768(n, k) + A321770(n, k))/2).

Table of values

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

List of values

[2, 3, 5, 4, 4, 8, 7, 8, 12, 9, 7, 9, 6, 5, 11, 10, 13, 19, 14, 12, 16, 11, 11, 21, 18, 19, 29, 22, 16, 20, 13, 10, 18, 15, 14, 22, 17, 11, 13, 8, 6, 14, 13, 18, 26, 19, 17, 23, 16, 18, 34, 29, 30, 46, 35, 25, 31, 20, 17, 31, 26, 25, 39, 30, 20, 24, 15, 14, 30]

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