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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.

A368139 Number of ways of tiling the n X n torus up to diagonal and antidiagonal reflection of the square by two tiles that are each fixed under both diagonal and antidiagonal reflection.

Table of values

n a(n)
1 2
2 6
3 36
4 1282
5 340880
6 477513804
7 2872221202512
8 72057600262282324
9 7462505061854009276768
10 3169126500572875969052992416
11 5492677668532714149024993226980288
12 38716571525226776302072008065489884436832
13 1106936151351216411420647256070432280699273711360

List of values

[2, 6, 36, 1282, 340880, 477513804, 2872221202512, 72057600262282324, 7462505061854009276768, 3169126500572875969052992416, 5492677668532714149024993226980288, 38716571525226776302072008065489884436832, 1106936151351216411420647256070432280699273711360]

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

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