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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.

A090315 Least k such that k and digit reversal of k both have n divisors, or 0 if no such number exists.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 14641
6 44
7 0
8 24
9 484
10 272
11 0
12 294
13 0
14 291008
15 44944
16 264
17 0
18 252
19 0
20 2992
21 0
22 2532352
23 0
24 2508
25 10004000600040001
26 2977792
27 1002001
28 2112
29 0
30 63536
31 0
32 4224
33 0
34 44356665344
35 0
36 2772
37 0
38 2380651036672
39 0
40 42224
41 0
42 6336
43 0
44 2937856
45 698896
46 0

List of values

[1, 2, 4, 6, 14641, 44, 0, 24, 484, 272, 0, 294, 0, 291008, 44944, 264, 0, 252, 0, 2992, 0, 2532352, 0, 2508, 10004000600040001, 2977792, 1002001, 2112, 0, 63536, 0, 4224, 0, 44356665344, 0, 2772, 0, 2380651036672, 0, 42224, 0, 6336, 0, 2937856, 698896, 0]

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

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