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.

A355723 Row 3 of table A355721.

Table of values

n a(n)
0 1
1 2
2 18
3 218
4 3194
5 53890
6 1019250
7 21256090
8 483426010
9 11895873410
10 314834663250
11 8918883839450
12 269367643864250
13 8643467766472450
14 293770652998691250
15 10546424484691428250
16 398914704362503668250
17 15860639479547463637250
18 661439858772303085871250
19 28874834455755565593004250

List of values

[1, 2, 18, 218, 3194, 53890, 1019250, 21256090, 483426010, 11895873410, 314834663250, 8918883839450, 269367643864250, 8643467766472450, 293770652998691250, 10546424484691428250, 398914704362503668250, 15860639479547463637250, 661439858772303085871250, 28874834455755565593004250]

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

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