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.

A226827 Numbers of the form 3^j + 9^k, for j and k >= 0.

Table of values

n a(n)
1 2
2 4
3 10
4 12
5 18
6 28
7 36
8 82
9 84
10 90
11 108
12 162
13 244
14 252
15 324
16 730
17 732
18 738
19 756
20 810
21 972
22 1458
23 2188
24 2196
25 2268
26 2916
27 6562
28 6564
29 6570
30 6588
31 6642
32 6804
33 7290
34 8748
35 13122
36 19684
37 19692
38 19764
39 20412
40 26244
41 59050
42 59052
43 59058
44 59076
45 59130
46 59292
47 59778

List of values

[2, 4, 10, 12, 18, 28, 36, 82, 84, 90, 108, 162, 244, 252, 324, 730, 732, 738, 756, 810, 972, 1458, 2188, 2196, 2268, 2916, 6562, 6564, 6570, 6588, 6642, 6804, 7290, 8748, 13122, 19684, 19692, 19764, 20412, 26244, 59050, 59052, 59058, 59076, 59130, 59292, 59778]