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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.

A185056 Number of ways to place n nonattacking composite pieces bishop + semi-rook on an n X n board.

Original entry on oeis.org

1, 2, 5, 24, 125, 796, 5635, 48042, 453947, 4834872, 56433455, 727449366, 10099103269, 152097526360, 2449915208271, 42295879864692
Offset: 1

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Author

Vaclav Kotesovec, Dec 22 2011

Keywords

Comments

Two semi-rooks do not attack each other if they are in the same column.

Links

Crossrefs

Cf. A088789, A187235, A002465, A099152, A000170.

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