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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.

A307115 Primitive 5-abundant numbers: Numbers k such that sigma(k) > 5k (A215264) all of whose proper divisors d are 5-deficient numbers (having sigma(d) < 5d).

Table of values

n a(n)
1 122522400
2 147026880
3 183783600
4 205405200
5 220540320
6 232792560
7 273873600
8 328648320
9 428828400
10 492972480
11 497296800
12 514594080
13 537213600
14 563603040
15 575134560
16 581981400
17 605404800
18 627026400
19 629909280
20 670269600
21 684684000
22 710629920
23 739458720
24 745945200

List of values

[122522400, 147026880, 183783600, 205405200, 220540320, 232792560, 273873600, 328648320, 428828400, 492972480, 497296800, 514594080, 537213600, 563603040, 575134560, 581981400, 605404800, 627026400, 629909280, 670269600, 684684000, 710629920, 739458720, 745945200]

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

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