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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.

A294173 Numbers k whose nearest neighbors have the same number of divisors, the same number of distinct prime factors, and the same sum of divisors.

Table of values

n a(n)
1 34
2 55
3 919
4 1241
5 4149
6 4188
7 7170
8 12566
9 15086
10 24882
11 25020
12 26610
13 51836
14 53964
15 59988
16 77058
17 143370
18 150420
19 167561
20 170562
21 205728
22 215070
23 220818
24 418308
25 564858
26 731321
27 907255
28 910316
29 986154
30 1239870
31 1569336
32 1622914
33 1841861
34 1887240
35 1979307
36 2229012
37 2262108

List of values

[34, 55, 919, 1241, 4149, 4188, 7170, 12566, 15086, 24882, 25020, 26610, 51836, 53964, 59988, 77058, 143370, 150420, 167561, 170562, 205728, 215070, 220818, 418308, 564858, 731321, 907255, 910316, 986154, 1239870, 1569336, 1622914, 1841861, 1887240, 1979307, 2229012, 2262108]

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

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