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.

A343529 Number of tilings of a 5 X n rectangle using n pentominoes of shapes P, X, Y.

Table of values

n a(n)
0 1
1 0
2 2
3 4
4 18
5 36
6 138
7 334
8 1066
9 3096
10 9490
11 26826
12 80468
13 235718
14 699056
15 2055466
16 6074498
17 17857906
18 52725190
19 155445504
20 458505084
21 1351257730
22 3984941402
23 11748306100
24 34643781158
25 102144907886
26 301179533022
27 887996181502
28 2618324249106
29 7720149428450

List of values

[1, 0, 2, 4, 18, 36, 138, 334, 1066, 3096, 9490, 26826, 80468, 235718, 699056, 2055466, 6074498, 17857906, 52725190, 155445504, 458505084, 1351257730, 3984941402, 11748306100, 34643781158, 102144907886, 301179533022, 887996181502, 2618324249106, 7720149428450]

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

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