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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.

A014419 Write n in base of Catalan numbers, then interpret as if written in base 3.

Table of values

n a(n)
0 0
1 1
2 3
3 4
4 6
5 9
6 10
7 12
8 13
9 15
10 18
11 19
12 21
13 22
14 27
15 28
16 30
17 31
18 33
19 36
20 37
21 39
22 40
23 42
24 45
25 46
26 48
27 49
28 54
29 55
30 57
31 58
32 60
33 63
34 64
35 66
36 67
37 69
38 72
39 73
40 75
41 76
42 81
43 82
44 84
45 85
46 87
47 90
48 91
49 93
50 94
51 96
52 99
53 100
54 102
55 103
56 108
57 109
58 111
59 112
60 114
61 117
62 118
63 120

List of values

[0, 1, 3, 4, 6, 9, 10, 12, 13, 15, 18, 19, 21, 22, 27, 28, 30, 31, 33, 36, 37, 39, 40, 42, 45, 46, 48, 49, 54, 55, 57, 58, 60, 63, 64, 66, 67, 69, 72, 73, 75, 76, 81, 82, 84, 85, 87, 90, 91, 93, 94, 96, 99, 100, 102, 103, 108, 109, 111, 112, 114, 117, 118, 120]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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