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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.

A364504 Number of tilings of an n X n square using dominoes and trominoes (of any shape).

Table of values

n a(n)
0 1
1 0
2 2
3 30
4 1352
5 226922
6 128441094
7 267855152858
8 1990875917805852
9 52918918728713551244
10 5046393600526600826576990
11 1722423352379200292770200349728
12 2106175531602971710801901685263906946
13 9224774497259881798661234516031754156588512
14 144713995908210595144464778124853904625705818728754

List of values

[1, 0, 2, 30, 1352, 226922, 128441094, 267855152858, 1990875917805852, 52918918728713551244, 5046393600526600826576990, 1722423352379200292770200349728, 2106175531602971710801901685263906946, 9224774497259881798661234516031754156588512, 144713995908210595144464778124853904625705818728754]

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

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