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.

A142717 First (leftmost) odd term in the n-th row of triangle A120070.

Table of values

n a(n)
1 3
2 5
3 15
4 21
5 35
6 45
7 63
8 77
9 99
10 117
11 143
12 165
13 195
14 221
15 255
16 285
17 323
18 357
19 399
20 437
21 483
22 525
23 575
24 621
25 675
26 725
27 783
28 837
29 899
30 957
31 1023
32 1085
33 1155
34 1221
35 1295
36 1365
37 1443
38 1517
39 1599
40 1677
41 1763
42 1845
43 1935
44 2021
45 2115
46 2205
47 2303
48 2397
49 2499
50 2597

List of values

[3, 5, 15, 21, 35, 45, 63, 77, 99, 117, 143, 165, 195, 221, 255, 285, 323, 357, 399, 437, 483, 525, 575, 621, 675, 725, 783, 837, 899, 957, 1023, 1085, 1155, 1221, 1295, 1365, 1443, 1517, 1599, 1677, 1763, 1845, 1935, 2021, 2115, 2205, 2303, 2397, 2499, 2597]