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.

A066884 Square array read by upward antidiagonals where the n-th row contains the positive integers with n binary 1's.

Table of values

n a(n)
1 1
2 3
3 2
4 7
5 5
6 4
7 15
8 11
9 6
10 8
11 31
12 23
13 13
14 9
15 16
16 63
17 47
18 27
19 14
20 10
21 32
22 127
23 95
24 55
25 29
26 19
27 12
28 64
29 255
30 191
31 111
32 59
33 30
34 21
35 17
36 128
37 511
38 383
39 223
40 119
41 61
42 39
43 22
44 18
45 256
46 1023
47 767
48 447
49 239
50 123
51 62
52 43
53 25
54 20
55 512
56 2047
57 1535
58 895
59 479
60 247
61 125
62 79
63 45
64 26
65 24
66 1024

List of values

[1, 3, 2, 7, 5, 4, 15, 11, 6, 8, 31, 23, 13, 9, 16, 63, 47, 27, 14, 10, 32, 127, 95, 55, 29, 19, 12, 64, 255, 191, 111, 59, 30, 21, 17, 128, 511, 383, 223, 119, 61, 39, 22, 18, 256, 1023, 767, 447, 239, 123, 62, 43, 25, 20, 512, 2047, 1535, 895, 479, 247, 125, 79, 45, 26, 24, 1024]