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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.

A219951 Number of tilings of a 10 X n rectangle using right trominoes and 2 X 2 tiles.

Table of values

n a(n)
0 1
1 0
2 25
3 32
4 1426
5 8120
6 212926
7 2175992
8 45081311
9 628801280
10 11112714624
11 173179768136
12 2908344290540
13 46894928400912
14 774211745673930
15 12617601589397384
16 207178457948099771
17 3387766419366893632
18 55527737283695335309
19 908939402189646871904

List of values

[1, 0, 25, 32, 1426, 8120, 212926, 2175992, 45081311, 628801280, 11112714624, 173179768136, 2908344290540, 46894928400912, 774211745673930, 12617601589397384, 207178457948099771, 3387766419366893632, 55527737283695335309, 908939402189646871904]

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

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