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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.

A219952 Number of tilings of an n X n square using right trominoes and 2 X 2 tiles.

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 6
5 0
6 545
7 5504
8 652036
9 44013568
10 11112714624
11 3517475475328
12 2781543486427548
13 3568483481372543360
14 9829161878198755474915
15 48599777948701165162242560
16 484370819140388708451108625276
17 9036085159101926537420075859958528

List of values

[1, 0, 1, 0, 6, 0, 545, 5504, 652036, 44013568, 11112714624, 3517475475328, 2781543486427548, 3568483481372543360, 9829161878198755474915, 48599777948701165162242560, 484370819140388708451108625276, 9036085159101926537420075859958528]

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

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