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.

A182830 Array of the numbers (3*i+2)*3^j, i>=0, j>=0, read by antidiagonals.

Table of values

n a(n)
1 2
2 6
3 5
4 18
5 15
6 8
7 54
8 45
9 24
10 11
11 162
12 135
13 72
14 33
15 14
16 486
17 405
18 216
19 99
20 42
21 17
22 1458
23 1215
24 648
25 297
26 126
27 51
28 20
29 4374
30 3645
31 1944
32 891
33 378
34 153
35 60
36 23
37 13122
38 10935
39 5832
40 2673
41 1134
42 459
43 180
44 69
45 26
46 39366
47 32805
48 17496

List of values

[2, 6, 5, 18, 15, 8, 54, 45, 24, 11, 162, 135, 72, 33, 14, 486, 405, 216, 99, 42, 17, 1458, 1215, 648, 297, 126, 51, 20, 4374, 3645, 1944, 891, 378, 153, 60, 23, 13122, 10935, 5832, 2673, 1134, 459, 180, 69, 26, 39366, 32805, 17496]