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.

A319017 Prime numbers which satisfy the regex m1{1,m1}m2{1,m2}m3{1,m3}m4{1,m4}m5{1,m5} where mi are one-digit Lucas numbers.

Table of values

n a(n)
1 21347
2 2213347
3 2213447
4 21334447
5 21344447
6 21344777
7 22133477
8 213334477
9 221344477
10 2134444777
11 22133344447
12 221344477777
13 2133344447777
14 2133347777777
15 2213447777777
16 22133344447777
17 213344447777777
18 221333447777777
19 22133344447777777

List of values

[21347, 2213347, 2213447, 21334447, 21344447, 21344777, 22133477, 213334477, 221344477, 2134444777, 22133344447, 221344477777, 2133344447777, 2133347777777, 2213447777777, 22133344447777, 213344447777777, 221333447777777, 22133344447777777]

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

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