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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.

A118986 Number of different values taken by the permanent of a symmetric real (0,1)-matrix of order n.

Original entry on oeis.org

1, 2, 3, 6, 14, 46, 176, 908, 5802, 44053
Offset: 0

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Author

Giovanni Resta, May 08 2006

Keywords

Links

Crossrefs

Cf. A087983, A118985, A118987, A118988.
Cf. A006125 (number of symmetric real (0,1)-matrices of order (n-1)).

Extensions

a(8) from Minfeng Wang, Jun 12 2024
a(0)=1 prepended by Alois P. Heinz, Jun 12 2024
a(9) from Minfeng Wang, Jun 18 2024

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