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.

A347839 An array of the positive integers congruent to 2 modulo 3 (A016789), read by antidiagonals upwards, giving the present triangle.

Table of values

n a(n)
1 2
2 5
3 8
4 11
5 20
6 32
7 14
8 44
9 80
10 128
11 17
12 56
13 176
14 320
15 512
16 23
17 68
18 224
19 704
20 1280
21 2048
22 26
23 92
24 272
25 896
26 2816
27 5120
28 8192
29 29
30 104
31 368
32 1088
33 3584
34 11264
35 20480
36 32768
37 35
38 116
39 416
40 1472
41 4352
42 14336
43 45056
44 81920
45 131072
46 38
47 140
48 464
49 1664
50 5888
51 17408
52 57344
53 180224
54 327680
55 524288

List of values

[2, 5, 8, 11, 20, 32, 14, 44, 80, 128, 17, 56, 176, 320, 512, 23, 68, 224, 704, 1280, 2048, 26, 92, 272, 896, 2816, 5120, 8192, 29, 104, 368, 1088, 3584, 11264, 20480, 32768, 35, 116, 416, 1472, 4352, 14336, 45056, 81920, 131072, 38, 140, 464, 1664, 5888, 17408, 57344, 180224, 327680, 524288]