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.

A143038 Triangle read by rows, A000012 * A134309 * A000012, where A134309 = an infinite lower triangular matrix with (1, 1, 2, 4, 8, 16, ...) in the main diagonal and the rest zeros.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 3
5 4
6 4
7 6
8 7
9 8
10 8
11 12
12 14
13 15
14 16
15 16
16 24
17 28
18 30
19 31
20 32
21 32
22 48
23 56
24 60
25 62
26 63
27 64
28 64
29 96
30 112
31 120
32 124
33 126
34 127
35 128
36 128
37 192
38 224
39 240
40 248
41 252
42 254
43 255
44 256
45 256
46 384
47 448
48 480
49 496
50 504
51 508
52 510
53 511
54 512

List of values

[1, 1, 2, 2, 3, 4, 4, 6, 7, 8, 8, 12, 14, 15, 16, 16, 24, 28, 30, 31, 32, 32, 48, 56, 60, 62, 63, 64, 64, 96, 112, 120, 124, 126, 127, 128, 128, 192, 224, 240, 248, 252, 254, 255, 256, 256, 384, 448, 480, 496, 504, 508, 510, 511, 512]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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