A124004 -id:A124004 - cp's OEIS frontend

A124005 Number of different Othello positions at the end of the n-th ply.

1, 4, 12, 54, 236, 1288, 7092, 42614, 269352, 1743560, 11922442, 80209268, 562280115, 3772081046

Offset: 0

Alain Brobecker (abrobecker(AT)yahoo.com), Nov 01 2006, Dec 30 2006

Alain Brobecker, Othello and retrograde analysis (pdf)
Alain Brobecker, programs to generate sequences
Alain Brobecker, othello.c

Edited by Charles R Greathouse IV, Oct 28 2009
a(10) from Dominic Hofer, Mar 28 2018
a(11)-a(13) from Dominic Hofer, Sep 28 2019

A124006 Number of Othello positions with unique realization at the end of the n-th ply.

Original entry on oeis.org

1, 4, 12, 52, 228, 1192, 6160, 33344, 191380, 1072232, 6416600, 35990544, 212278256, 1145811772

Offset: 0

Alain Brobecker, Nov 01 2006

Alain Brobecker, Othello and retrograde analysis (pdf)
Alain Brobecker, programs to generate sequences
Alain Brobecker, othello.c

Cf. A124004, A124005.

a(8)-a(9) from Alain Brobecker, Dec 30 2006
Edited by Charles R Greathouse IV, Oct 28 2009
a(10)-a(12) from Dominic Hofer, Sep 27 2019
a(13) from Dominic Hofer, Feb 11 2022

A125528 Number of different Othello shapes at the end of the n-th ply.

Original entry on oeis.org

1, 4, 12, 54, 220, 1130, 5568, 26966, 132037, 589652, 2601811, 10147378, 38356054, 129698048

Offset: 0

Alain Brobecker, Dec 30 2006

Alain Brobecker, Othello and retrograde analysis (pdf)
Alain Brobecker, programs to generate sequences

Cf. A124004, A124005, A124006.

Edited by Charles R Greathouse IV, Oct 28 2009
a(10)-a(12) from Dominic Hofer, Mar 04 2020
a(13) from Dominic Hofer, Feb 11 2022

A125529 Number of Othello shapes with unique realization at the end of the n-th ply.

Original entry on oeis.org

1, 4, 12, 52, 196, 932, 3944, 14020, 53556, 165584, 507656, 1251972, 2988984, 5904880

Offset: 0

Alain Brobecker, Dec 30 2006

Alain Brobecker, Othello and retrograde analysis (pdf)
Alain Brobecker, programs to generate sequences

Cf. A124004, A124005, A124006.

Edited by Charles R Greathouse IV, Oct 28 2009
a(10)-a(12) from Dominic Hofer, Mar 04 2020
a(13) from Dominic Hofer, Feb 11 2022

cp's OEIS Frontend

A124005 Number of different Othello positions at the end of the n-th ply.

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A124006 Number of Othello positions with unique realization at the end of the n-th ply.

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A125528 Number of different Othello shapes at the end of the n-th ply.

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A125529 Number of Othello shapes with unique realization at the end of the n-th ply.

Views

Author

Keywords

Links

Crossrefs

Extensions