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.

A182828 Array of the numbers (3*i+1)*3^j, i>=0, j>=0, read by antidiagonals.

Table of values

n a(n)
1 1
2 3
3 4
4 9
5 12
6 7
7 27
8 36
9 21
10 10
11 81
12 108
13 63
14 30
15 13
16 243
17 324
18 189
19 90
20 39
21 16
22 729
23 972
24 567
25 270
26 117
27 48
28 19
29 2187
30 2916
31 1701
32 810
33 351
34 144
35 57
36 22
37 6561
38 8748
39 5103
40 2430
41 1053
42 432
43 171
44 66
45 25
46 19683
47 26244
48 15309
49 7290
50 3159

List of values

[1, 3, 4, 9, 12, 7, 27, 36, 21, 10, 81, 108, 63, 30, 13, 243, 324, 189, 90, 39, 16, 729, 972, 567, 270, 117, 48, 19, 2187, 2916, 1701, 810, 351, 144, 57, 22, 6561, 8748, 5103, 2430, 1053, 432, 171, 66, 25, 19683, 26244, 15309, 7290, 3159]