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.

A087924 Number of ways of arranging the numbers 1 ... 3n into a 3 X n array so there is exactly one local maximum.

Table of values

n a(n)
1 4
2 208
3 29568
4 7452704
5 2941306368
6 1683453629440
7 1323082429842432
8 1370418864769445888
9 1811764909105311267840
10 2980039854936078219167744
11 5972307516078119199647692800

List of values

[4, 208, 29568, 7452704, 2941306368, 1683453629440, 1323082429842432, 1370418864769445888, 1811764909105311267840, 2980039854936078219167744, 5972307516078119199647692800]