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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.

A355716 a(n) is the smallest number that has exactly n binary palindrome divisors (A006995).

Table of values

n a(n)
1 1
2 3
3 9
4 15
5 99
6 45
7 135
8 189
9 315
10 495
11 945
12 765
13 2079
14 6237
15 3465
16 5355
17 4095
18 8415
19 31185
20 20475
21 25245
22 12285
23 85995
24 58905
25 61425
26 45045
27 69615
28 176715
29 446985
30 225225
31 328185
32 208845
33 135135
34 405405
35 528255
36 1396395
37 675675
38 2027025
39 765765
40 5360355
41 2993445
42 3968055
43 3828825

List of values

[1, 3, 9, 15, 99, 45, 135, 189, 315, 495, 945, 765, 2079, 6237, 3465, 5355, 4095, 8415, 31185, 20475, 25245, 12285, 85995, 58905, 61425, 45045, 69615, 176715, 446985, 225225, 328185, 208845, 135135, 405405, 528255, 1396395, 675675, 2027025, 765765, 5360355, 2993445, 3968055, 3828825]

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

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