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.

A083047 Square table read by antidiagonals forms a permutation of the natural numbers: T(n,0) = floor(n*x/(x-1))+1, T(n,k+1) = ceiling(x*T(n,k)), where x = (sqrt(5)+1)/2, n>=0, k>=0.

Table of values

n a(n)
0 1
1 2
2 3
3 4
4 5
5 6
6 7
7 9
8 10
9 8
10 12
11 15
12 17
13 13
14 11
15 20
16 25
17 28
18 22
19 18
20 14
21 33
22 41
23 46
24 36
25 30
26 23
27 16
28 54
29 67
30 75
31 59
32 49
33 38
34 26
35 19
36 88
37 109
38 122
39 96
40 80
41 62
42 43
43 31
44 21
45 143
46 177
47 198
48 156
49 130
50 101
51 70
52 51
53 34
54 24
55 232
56 287
57 321
58 253
59 211
60 164
61 114
62 83
63 56
64 39
65 27
66 376

List of values

[1, 2, 3, 4, 5, 6, 7, 9, 10, 8, 12, 15, 17, 13, 11, 20, 25, 28, 22, 18, 14, 33, 41, 46, 36, 30, 23, 16, 54, 67, 75, 59, 49, 38, 26, 19, 88, 109, 122, 96, 80, 62, 43, 31, 21, 143, 177, 198, 156, 130, 101, 70, 51, 34, 24, 232, 287, 321, 253, 211, 164, 114, 83, 56, 39, 27, 376]