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.

A233774 Total number of vertices in the first n rows of Sierpinski gasket, with a(0) = 1.

Table of values

n a(n)
0 1
1 3
2 6
3 10
4 15
5 19
6 25
7 33
8 42
9 46
10 52
11 60
12 70
13 78
14 90
15 106
16 123
17 127
18 133
19 141
20 151
21 159
22 171
23 187
24 205
25 213
26 225
27 241
28 261
29 277
30 301
31 333
32 366
33 370
34 376
35 384
36 394
37 402
38 414
39 430
40 448
41 456
42 468
43 484
44 504
45 520
46 544
47 576
48 610
49 618
50 630
51 646
52 666
53 682

List of values

[1, 3, 6, 10, 15, 19, 25, 33, 42, 46, 52, 60, 70, 78, 90, 106, 123, 127, 133, 141, 151, 159, 171, 187, 205, 213, 225, 241, 261, 277, 301, 333, 366, 370, 376, 384, 394, 402, 414, 430, 448, 456, 468, 484, 504, 520, 544, 576, 610, 618, 630, 646, 666, 682]