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.

A233313 Number of tilings of a 2 X 3 X n box using bricks of shape 3 X 1 X 1 and 2 X 1 X 1.

Table of values

n a(n)
0 1
1 4
2 45
3 717
4 9787
5 148414
6 2282036
7 34688229
8 530613082
9 8119995275
10 124183342755
11 1899899589557
12 29066650643742
13 444678773140018
14 6803102237763707
15 104079849391557116
16 1592303310404361651
17 24360457647669398381
18 372687643806340329749
19 5701702230014416236396

List of values

[1, 4, 45, 717, 9787, 148414, 2282036, 34688229, 530613082, 8119995275, 124183342755, 1899899589557, 29066650643742, 444678773140018, 6803102237763707, 104079849391557116, 1592303310404361651, 24360457647669398381, 372687643806340329749, 5701702230014416236396]

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

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