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.

A261046 Irregular triangle read by rows: the first column consists of the odd numbers repeated but without the first 1. Row n (n>=0) contains floor(n/2)=1 terms. Every row contains successive odd numbers.

Table of values

n a(n)
0 1
1 3
2 3
3 5
4 5
5 7
6 5
7 7
8 9
9 7
10 9
11 11
12 7
13 9
14 11
15 13
16 9
17 11
18 13
19 15
20 9
21 11
22 13
23 15
24 17
25 11
26 13
27 15
28 17
29 19
30 11
31 13
32 15
33 17
34 19
35 21
36 13
37 15
38 17
39 19
40 21
41 23
42 13
43 15
44 17
45 19
46 21
47 23
48 25
49 15
50 17
51 19
52 21
53 23
54 25
55 27
56 13
57 15
58 17
59 19
60 21
61 23
62 25
63 27

List of values

[1, 3, 3, 5, 5, 7, 5, 7, 9, 7, 9, 11, 7, 9, 11, 13, 9, 11, 13, 15, 9, 11, 13, 15, 17, 11, 13, 15, 17, 19, 11, 13, 15, 17, 19, 21, 13, 15, 17, 19, 21, 23, 13, 15, 17, 19, 21, 23, 25, 15, 17, 19, 21, 23, 25, 27, 13, 15, 17, 19, 21, 23, 25, 27]

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

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