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.

A109434 Irregular triangle read by rows: row n contains the numbers from 2^n up to (n+3)*2^(n-2), inclusive, read along their common subdiagonal of A109433.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 2
5 2
6 4
7 5
8 8
9 11
10 12
11 16
12 24
13 27
14 28
15 32
16 51
17 60
18 63
19 64
20 64
21 107
22 131
23 140
24 143
25 144
26 128
27 222
28 282
29 307
30 316
31 319
32 320
33 256
34 457
35 601
36 666
37 691
38 700
39 703
40 704
41 512
42 935
43 1270
44 1432
45 1498
46 1523
47 1532
48 1535
49 1536
50 1024
51 1904
52 2665
53 3057
54 3224
55 3290

List of values

[0, 0, 1, 1, 2, 2, 4, 5, 8, 11, 12, 16, 24, 27, 28, 32, 51, 60, 63, 64, 64, 107, 131, 140, 143, 144, 128, 222, 282, 307, 316, 319, 320, 256, 457, 601, 666, 691, 700, 703, 704, 512, 935, 1270, 1432, 1498, 1523, 1532, 1535, 1536, 1024, 1904, 2665, 3057, 3224, 3290]