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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.

A286837 Numbers n such that usigma(n) = usigma(2*n+1) where usigma(n) = A034448(n).

Table of values

n a(n)
1 1386
2 6790
3 8130
4 18618
5 21378
6 27654
7 38874
8 60030
9 64020
10 71058
11 89178
12 92130
13 97014
14 117114
15 118902
16 180438
17 182226
18 224058
19 247044
20 396078
21 495114
22 510906
23 528510
24 723486
25 855966
26 979098
27 1007562
28 1012380
29 1032360
30 1141194
31 1302906
32 1410294

List of values

[1386, 6790, 8130, 18618, 21378, 27654, 38874, 60030, 64020, 71058, 89178, 92130, 97014, 117114, 118902, 180438, 182226, 224058, 247044, 396078, 495114, 510906, 528510, 723486, 855966, 979098, 1007562, 1012380, 1032360, 1141194, 1302906, 1410294]

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

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