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.

A381069 Numbers k that have a record number of divisors that have the same binary weight as k.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 16
6 32
7 64
8 72
9 144
10 288
11 576
12 1080
13 2160
14 4320
15 8640
16 17280
17 34560
18 69120
19 99360
20 136080
21 198720
22 272160
23 397440
24 529200
25 544320
26 1058400
27 2116800
28 3160080
29 4233600
30 6320160
31 8467200
32 12640320
33 16934400
34 25280640
35 50561280
36 76744800
37 101122560
38 102816000

List of values

[1, 2, 4, 8, 16, 32, 64, 72, 144, 288, 576, 1080, 2160, 4320, 8640, 17280, 34560, 69120, 99360, 136080, 198720, 272160, 397440, 529200, 544320, 1058400, 2116800, 3160080, 4233600, 6320160, 8467200, 12640320, 16934400, 25280640, 50561280, 76744800, 101122560, 102816000]

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

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