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.

A083050 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(2), n>=0, k>=0.

Table of values

n a(n)
0 1
1 2
2 4
3 3
4 6
5 7
6 5
7 9
8 10
9 11
10 8
11 13
12 15
13 16
14 14
15 12
16 19
17 22
18 23
19 20
20 18
21 17
22 27
23 32
24 33
25 29
26 26
27 21
28 25
29 39
30 46
31 47
32 42
33 37
34 30
35 24
36 36
37 56
38 66
39 67
40 60
41 53
42 43
43 34
44 28
45 51
46 80
47 94
48 95
49 85
50 75
51 61
52 49
53 40
54 31
55 73
56 114
57 133
58 135
59 121
60 107
61 87
62 70
63 57
64 44
65 35
66 104
67 162
68 189

List of values

[1, 2, 4, 3, 6, 7, 5, 9, 10, 11, 8, 13, 15, 16, 14, 12, 19, 22, 23, 20, 18, 17, 27, 32, 33, 29, 26, 21, 25, 39, 46, 47, 42, 37, 30, 24, 36, 56, 66, 67, 60, 53, 43, 34, 28, 51, 80, 94, 95, 85, 75, 61, 49, 40, 31, 73, 114, 133, 135, 121, 107, 87, 70, 57, 44, 35, 104, 162, 189]