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.

A346821 Lexicographically earliest sequence of distinct terms > 0 such that the concatenation of three successive terms form a palindrome in base 10.

Table of values

n a(n)
1 1
2 10
3 11
4 101
5 10111
6 101101
7 11101
8 11101101
9 1110111
10 10110111
11 1011011110111
12 10110111101101
13 1110111101101
14 111011110110111101101
15 11101111011011110111
16 101101111011011110111
17 1011011110110111101111011011110111
18 10110111101101111011110110111101101
19 1110111101101111011110110111101101

List of values

[1, 10, 11, 101, 10111, 101101, 11101, 11101101, 1110111, 10110111, 1011011110111, 10110111101101, 1110111101101, 111011110110111101101, 11101111011011110111, 101101111011011110111, 1011011110110111101111011011110111, 10110111101101111011110110111101101, 1110111101101111011110110111101101]

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

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