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.

A233428 Number of tilings of a 3 X 5n rectangle with 3n pentominoes of any shape.

Table of values

n a(n)
0 1
1 56
2 7670
3 1082911
4 153054306
5 21632866165
6 3057616805283
7 432167457281031
8 61083099363540480
9 8633563135788393662
10 1220278820098831948033
11 172475764103555415010594
12 24377944378888377125376221
13 3445609736701113995818305965
14 487006872816193035818432289071

List of values

[1, 56, 7670, 1082911, 153054306, 21632866165, 3057616805283, 432167457281031, 61083099363540480, 8633563135788393662, 1220278820098831948033, 172475764103555415010594, 24377944378888377125376221, 3445609736701113995818305965, 487006872816193035818432289071]

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

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