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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.

A362298 Number of tilings of a 4 X n rectangle using dominos and 2 X 2 right triangles.

Table of values

n a(n)
0 1
1 1
2 19
3 55
4 472
5 2023
6 13249
7 66325
8 392299
9 2088856
10 11877025
11 64803157
12 362823607
13 1998759703
14 11123273896
15 61509329983
16 341492705365
17 1891193243713
18 10489893539203
19 58127214942544
20 322296397820593
21 1786338231961609
22 9903234373856059
23 54893955008138983

List of values

[1, 1, 19, 55, 472, 2023, 13249, 66325, 392299, 2088856, 11877025, 64803157, 362823607, 1998759703, 11123273896, 61509329983, 341492705365, 1891193243713, 10489893539203, 58127214942544, 322296397820593, 1786338231961609, 9903234373856059, 54893955008138983]

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

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