

A048833


Number of starting positions of Nim with 2n pieces such that 2nd player wins. Partitions of 2n such that xorsum of partitions is 0.


5



1, 1, 2, 4, 6, 10, 16, 31, 43, 68, 98, 153, 213, 317, 443, 704, 971, 1415, 1975, 2818, 3865, 5401, 7366, 10142, 13639, 18438, 24583, 32861, 43345, 57268, 75175, 99119, 129278, 168796, 219614, 284887, 368546, 475919, 614379, 788845, 1012117
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OFFSET

0,3


REFERENCES

R. J. Nowakowski, G. Renault, E. Lamoureux, S. Mellon and T. Miller, The Game of timber!, http://www.labri.fr/perso/grenault/NRLMM.pdf, 2013.  From N. J. A. Sloane, Feb 11 2013


LINKS

Table of n, a(n) for n=0..40.


CROSSREFS

a(n)=A050314(2n, 0): column 0 of triangle.
Sequence in context: A067880 A059749 A164142 * A204656 A070689 A091611
Adjacent sequences: A048830 A048831 A048832 * A048834 A048835 A048836


KEYWORD

nonn


AUTHOR

Christian G. Bower, Jun 15 1999


STATUS

approved



