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.

A340110 Coreful 4-abundant numbers: numbers k such that csigma(k) > 4*k, where csigma(k) is the sum of the coreful divisors of k (A057723).

Table of values

n a(n)
1 10584000
2 12700800
3 15876000
4 19051200
5 21168000
6 22226400
7 25401600
8 29635200
9 31752000
10 37044000
11 38102400
12 42336000
13 44452800
14 47628000
15 50803200
16 52920000
17 55566000
18 57153600
19 59270400
20 63504000
21 64033200
22 66679200
23 74088000
24 76204800
25 79380000
26 84672000

List of values

[10584000, 12700800, 15876000, 19051200, 21168000, 22226400, 25401600, 29635200, 31752000, 37044000, 38102400, 42336000, 44452800, 47628000, 50803200, 52920000, 55566000, 57153600, 59270400, 63504000, 64033200, 66679200, 74088000, 76204800, 79380000, 84672000]

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

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