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.

A249405 Numbers such that any two adjacent digits sum to a prime and such that any digit 0,...,9 can be inserted somewhere preserving this property.

Table of values

n a(n)
1 411203
2 411205
3 3202114
4 4111203
5 4111205
6 4112023
7 4112025
8 5202114
9 30211234
10 30232114
11 30234114
12 30252114
13 30256114
14 32021114
15 32032114
16 32034114
17 32052114
18 32056114
19 32074114
20 32076114
21 32112034
22 32112074
23 32302114
24 32502114
25 41111203

List of values

[411203, 411205, 3202114, 4111203, 4111205, 4112023, 4112025, 5202114, 30211234, 30232114, 30234114, 30252114, 30256114, 32021114, 32032114, 32034114, 32052114, 32056114, 32074114, 32076114, 32112034, 32112074, 32302114, 32502114, 41111203]

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

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