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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.

A072671 Least m which can be written as i*j+i+j in n different ways: A072670(m)=n.

Table of values

n a(n)
0 0
1 3
2 11
3 23
4 35
5 59
6 191
7 119
8 179
9 239
10 575
11 359
12 1295
13 899
14 719
15 839
16 9215
17 1259
18 786431
19 1679
20 2879
21 15359
22 3599
23 2519
24 6479
25 61439
26 6299
27 6719
28 2359295
29 5039
30 3221225471
31 7559
32 46079
33 983039
34 25919
35 10079
36 206158430207
37 32399
38 184319
39 15119
40 44099
41 20159
42 5308415
43 107519
44 25199
45 2985983
46 9663676415
47 27719
48 233279
49 45359

List of values

[0, 3, 11, 23, 35, 59, 191, 119, 179, 239, 575, 359, 1295, 899, 719, 839, 9215, 1259, 786431, 1679, 2879, 15359, 3599, 2519, 6479, 61439, 6299, 6719, 2359295, 5039, 3221225471, 7559, 46079, 983039, 25919, 10079, 206158430207, 32399, 184319, 15119, 44099, 20159, 5308415, 107519, 25199, 2985983, 9663676415, 27719, 233279, 45359]

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

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