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.

A289283 Starting with a(1) = 1, a(n) = smallest nonnegative integer not yet in the sequence such that the last digit of a(n-1) plus the first digit of a(n) is equal to 5. The digit 0 is not allowed.

Table of values

n a(n)
1 1
2 4
3 11
4 41
5 42
6 3
7 2
8 31
9 43
10 21
11 44
12 12
13 32
14 33
15 22
16 34
17 13
18 23
19 24
20 14
21 15

List of values

[1, 4, 11, 41, 42, 3, 2, 31, 43, 21, 44, 12, 32, 33, 22, 34, 13, 23, 24, 14, 15]

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

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