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.

A281791 Ways to tile a 5 X (2n+1) floor with tatami mats, including one monomer.

Table of values

n a(n)
0 3
1 18
2 10
3 8
4 18
5 24
6 32
7 52
8 68
9 100
10 142
11 196
12 280
13 388
14 542
15 756
16 1046
17 1452
18 2006
19 2768
20 3816
21 5248
22 7212
23 9896
24 13562
25 18568
26 25392
27 34692
28 47354
29 64580
30 88002
31 119824
32 163034
33 221672
34 301200
35 409004
36 555060
37 752844
38 1020550
39 1382732
40 1872520
41 2534596
42 3429206
43 4637556
44 6269070

List of values

[3, 18, 10, 8, 18, 24, 32, 52, 68, 100, 142, 196, 280, 388, 542, 756, 1046, 1452, 2006, 2768, 3816, 5248, 7212, 9896, 13562, 18568, 25392, 34692, 47354, 64580, 88002, 119824, 163034, 221672, 301200, 409004, 555060, 752844, 1020550, 1382732, 1872520, 2534596, 3429206, 4637556, 6269070]

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

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