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.

A256048 Smallest palindromic prime by adding at least one digit to both the left and right of n.

Table of values

n a(n)
0 101
1 313
2 727
3 131
4 11411
5 151
6 10601
7 373
8 181
9 191
10 30103
11 1114111
12 1120211
13 11311
14 11411
15 31513
16 1160611
17 1117111
18 18181
19 71917
20 30203
21 1120211
22 72227
23 32323
24 12421
25 1250521
26 36263
27 12721
28 12821
29 39293
30 10301
31 11311
32 32323
33 13331
34 14341
35 33533
36 16361
37 77377

List of values

[101, 313, 727, 131, 11411, 151, 10601, 373, 181, 191, 30103, 1114111, 1120211, 11311, 11411, 31513, 1160611, 1117111, 18181, 71917, 30203, 1120211, 72227, 32323, 12421, 1250521, 36263, 12721, 12821, 39293, 10301, 11311, 32323, 13331, 14341, 33533, 16361, 77377]

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

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