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.

A330289 Numbers all of whose divisors are odious numbers (A000069) with a record number of divisors.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 16
6 28
7 56
8 112
9 224
10 448
11 728
12 1456
13 2912
14 5824
15 10192
16 11648
17 20384
18 27664
19 40768
20 55328
21 110656
22 221312
23 442624
24 885248
25 1263808
26 1770496
27 2527616
28 5055232
29 8077888
30 10110464
31 16155776
32 20220928
33 32311552
34 64623104
35 129246208
36 258492416
37 516984832

List of values

[1, 2, 4, 8, 16, 28, 56, 112, 224, 448, 728, 1456, 2912, 5824, 10192, 11648, 20384, 27664, 40768, 55328, 110656, 221312, 442624, 885248, 1263808, 1770496, 2527616, 5055232, 8077888, 10110464, 16155776, 20220928, 32311552, 64623104, 129246208, 258492416, 516984832]

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

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