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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.

A210015 In base 4, numbers n which have 4 distinct digits, do not start with 0, and have property that the product (written in base 4) of any two adjacent digits is a substring of n.

Table of values

n a(n)
1 1203
2 1230
3 1302
4 2013
5 2031
6 2103
7 2130
8 3012
9 3021
10 3102
11 3120

List of values

[1203, 1230, 1302, 2013, 2031, 2103, 2130, 3012, 3021, 3102, 3120]

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

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