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.

A038396 Concatenate first n even numbers in reverse order.

Table of values

n a(n)
1 2
2 42
3 642
4 8642
5 108642
6 12108642
7 1412108642
8 161412108642
9 18161412108642
10 2018161412108642
11 222018161412108642
12 24222018161412108642
13 2624222018161412108642
14 282624222018161412108642
15 30282624222018161412108642
16 3230282624222018161412108642

List of values

[2, 42, 642, 8642, 108642, 12108642, 1412108642, 161412108642, 18161412108642, 2018161412108642, 222018161412108642, 24222018161412108642, 2624222018161412108642, 282624222018161412108642, 30282624222018161412108642, 3230282624222018161412108642]

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

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