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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.

A233775 Number of vertices in the n-th row of the Sierpinski gasket (cf. A047999).

Table of values

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

List of values

[1, 2, 3, 4, 5, 4, 6, 8, 9, 4, 6, 8, 10, 8, 12, 16, 17, 4, 6, 8, 10, 8, 12, 16, 18, 8, 12, 16, 20, 16, 24, 32, 33, 4, 6, 8, 10, 8, 12, 16, 18, 8, 12, 16, 20, 16, 24, 32, 34, 8, 12, 16, 20, 16, 24, 32, 36, 16, 24, 32, 40, 32, 48, 64, 65, 4, 6, 8, 10, 8, 12]

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

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