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.

A264765 Number of tilings of a 5 X n rectangle using n pentominoes of shapes Z, I, P.

Table of values

n a(n)
0 1
1 1
2 3
3 7
4 17
5 78
6 195
7 616
8 1783
9 5120
10 16714
11 48843
12 150407
13 453178
14 1356478
15 4174538
16 12554221
17 38233788
18 115868736
19 350343710
20 1065875246
21 3225913135
22 9793613873
23 29699991965
24 90011535049
25 273180669975
26 828073217940
27 2511974932751
28 7618229843186

List of values

[1, 1, 3, 7, 17, 78, 195, 616, 1783, 5120, 16714, 48843, 150407, 453178, 1356478, 4174538, 12554221, 38233788, 115868736, 350343710, 1065875246, 3225913135, 9793613873, 29699991965, 90011535049, 273180669975, 828073217940, 2511974932751, 7618229843186]

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

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