|
Search: id:A033623
|
|
|
| A033623 |
|
Grundy function for turn-at-most-4-coins game. |
|
+0
6
|
|
| 1, 2, 4, 8, 15, 16, 32, 51, 64, 85, 106, 128, 150, 171, 219, 237, 247, 256, 279, 297, 455, 512, 537, 557, 594, 643, 803, 863, 998, 1024, 1051, 1070, 1112, 1169, 1333, 1345, 1620, 1866, 2048, 2076, 2085, 2185, 2372
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
REFERENCES
|
E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Table 3, page 433.
|
|
FORMULA
|
a(n)=smallest natural not the exclusive-or of at most three a(k) for k<n.
|
|
CROSSREFS
|
Cf. A000069, A054016, A054043, etc.
Sequence in context: A140117 A039743 A070008 this_sequence A094398 A026474 A082562
Adjacent sequences: A033620 A033621 A033622 this_sequence A033624 A033625 A033626
|
|
KEYWORD
|
nonn,nice,easy
|
|
AUTHOR
|
David A. Madore (david.madore(AT)ens.fr)
|
|
EXTENSIONS
|
More terms from N. J. A. Sloane (njas(AT)research.att.com) Apr 29, 2000
|
|
|
Search completed in 0.002 seconds
|
