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.

A030471 Primes which are concatenations of four consecutive numbers.

Table of values

n a(n)
1 4567
2 14151617
3 20212223
4 34353637
5 58596061
6 64656667
7 118119120121
8 140141142143
9 148149150151
10 176177178179
11 196197198199
12 218219220221
13 220221222223
14 236237238239
15 238239240241
16 268269270271
17 278279280281

List of values

[4567, 14151617, 20212223, 34353637, 58596061, 64656667, 118119120121, 140141142143, 148149150151, 176177178179, 196197198199, 218219220221, 220221222223, 236237238239, 238239240241, 268269270271, 278279280281]

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

Content is available under The OEIS End-User License Agreement.