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.

A219949 Number of tilings of an 8 X n rectangle using right trominoes and 2 X 2 tiles.

Table of values

n a(n)
0 1
1 0
2 13
3 16
4 245
5 1128
6 10534
7 71248
8 652036
9 5141408
10 45081311
11 377481816
12 3256166909
13 27751269104
14 238314397799
15 2040642918208
16 17506339185192
17 150079258587200
18 1287249575901534
19 11038702753296720
20 94675989650833007
21 811957493293460552
22 6963826351562090734

List of values

[1, 0, 13, 16, 245, 1128, 10534, 71248, 652036, 5141408, 45081311, 377481816, 3256166909, 27751269104, 238314397799, 2040642918208, 17506339185192, 150079258587200, 1287249575901534, 11038702753296720, 94675989650833007, 811957493293460552, 6963826351562090734]

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

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