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.

A112070 Square array A(x,y) = y-th odd number 2i+1 (i>=1) for which A112049(2i+1)=x, or 0 if no such i exists; read by descending antidiagonals.

Table of values

n a(n)
1 3
2 5
3 7
4 11
5 9
6 23
7 13
8 15
9 25
10 49
11 19
12 17
13 47
14 71
15 121
16 21
17 31
18 73
19 119
20 311
21 169
22 27
23 33
24 95
25 191
26 551
27 479
28 289
29 29
30 39
31 97
32 239
33 671
34 1151
35 1559
36 361
37 35
38 41
39 143
40 241
41 719
42 1319
43 2999
44 5711
45 529
46 37
47 55
48 145
49 359
50 839
51 1679
52 3071
53 8399
54 10559
55 841
56 43
57 57

List of values

[3, 5, 7, 11, 9, 23, 13, 15, 25, 49, 19, 17, 47, 71, 121, 21, 31, 73, 119, 311, 169, 27, 33, 95, 191, 551, 479, 289, 29, 39, 97, 239, 671, 1151, 1559, 361, 35, 41, 143, 241, 719, 1319, 2999, 5711, 529, 37, 55, 145, 359, 839, 1679, 3071, 8399, 10559, 841, 43, 57]