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.

A057049 Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; each k is an R(i(k),j(k)) and A057049(n) = i(n^2).

Table of values

n a(n)
1 1
2 1
3 3
4 1
5 4
6 8
7 4
8 9
9 3
10 9
11 1
12 8
13 16
14 6
15 15
16 3
17 13
18 24
19 10
20 22
21 6
22 19
23 1
24 15
25 30
26 10
27 26
28 4
29 21
30 39
31 15
32 34
33 8
34 28
35 49
36 21
37 43
38 13
39 36
40 4
41 28
42 53
43 19
44 45
45 9
46 36
47 64
48 26
49 55
50 15
51 45
52 3
53 34
54 66
55 22
56 55
57 9
58 43
59 78
60 30
61 66
62 16
63 53
64 1
65 39
66 78
67 24
68 64

List of values

[1, 1, 3, 1, 4, 8, 4, 9, 3, 9, 1, 8, 16, 6, 15, 3, 13, 24, 10, 22, 6, 19, 1, 15, 30, 10, 26, 4, 21, 39, 15, 34, 8, 28, 49, 21, 43, 13, 36, 4, 28, 53, 19, 45, 9, 36, 64, 26, 55, 15, 45, 3, 34, 66, 22, 55, 9, 43, 78, 30, 66, 16, 53, 1, 39, 78, 24, 64]

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

Content is available under The OEIS End-User License Agreement.