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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.

A336671 Unitary barely 3-abundant: numbers m such that 3 < usigma(m)/m < usigma(k)/k for all numbers k < m, where usigma is the sum of unitary divisors function (A034448).

Table of values

n a(n)
1 30030
2 39270
3 43890
4 46410
5 51870
6 62790
7 67830
8 79170
9 82110
10 91770
11 103530
12 161070
13 166530
14 709170
15 718410
16 723030
17 732270
18 764610
19 778470
20 801570
21 806190
22 815430
23 829290
24 833910
25 847770
26 861630
27 875490
28 884730
29 155934030
30 264670770
31 1234205070
32 1448478570

List of values

[30030, 39270, 43890, 46410, 51870, 62790, 67830, 79170, 82110, 91770, 103530, 161070, 166530, 709170, 718410, 723030, 732270, 764610, 778470, 801570, 806190, 815430, 829290, 833910, 847770, 861630, 875490, 884730, 155934030, 264670770, 1234205070, 1448478570]

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

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