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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.

A069146 Numbers m such that m = sigma(abs(k)) - 3k, where k = sigma(m) - 3m.

Table of values

n a(n)
1 1248
2 1596
3 28272
4 30240
5 32760
6 463296
7 2178540
8 12865770
9 23569920
10 30998250
11 45532800
12 142990848
13 1379454720
14 1912369152
15 2623977450
16 43861478400
17 66433720320
18 153003540480
19 403031236608
20 489622536192
21 704575228896

List of values

[1248, 1596, 28272, 30240, 32760, 463296, 2178540, 12865770, 23569920, 30998250, 45532800, 142990848, 1379454720, 1912369152, 2623977450, 43861478400, 66433720320, 153003540480, 403031236608, 489622536192, 704575228896]

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

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