cp's OEIS Frontend

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.

Showing 1-5 of 5 results.

A054016 a(n) = smallest nonnegative integer not the Nim sum of at most 4 earlier terms.

Original entry on oeis.org

1, 2, 4, 8, 16, 31, 32, 64, 103, 128, 171, 213, 256, 301, 342, 439, 475, 494, 512, 558, 595, 911, 1024, 1075, 1114, 1189, 1287, 1606, 1727, 1996, 2048, 2102, 2140, 2225, 2339, 2667, 2691, 3240, 3733, 4096, 4153, 4171, 4371, 4745, 4912, 5237, 5601, 5746
Offset: 1

Views

Author

N. J. A. Sloane, Apr 29 2000

Keywords

Comments

Grundy function for turn-at-most-5-coins game.

References

  • E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982, see Table 3, Chapter 14, p. 433.

Crossrefs

Cf. A000069, A033623, A054043, etc.

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Oct 31 2000

A054043 Grundy function for turn-at-most-6-coins game.

Original entry on oeis.org

1, 2, 4, 8, 16, 32, 63, 64, 128, 256, 455, 512, 729, 874, 948, 1024, 1259, 1393, 1437, 1660, 1678, 1831, 2002, 2048, 4096, 8192, 14343, 16384, 22553, 26666, 28724, 32768, 38955, 43057, 45085, 51260, 53262, 57383, 63506, 65536, 71873
Offset: 1

Views

Author

N. J. A. Sloane, Apr 29 2000

Keywords

References

  • E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982, see p. 433.

Crossrefs

A054044 Grundy function for turn-at-most-7-coins game.

Original entry on oeis.org

1, 2, 4, 8, 16, 32, 64, 127, 128, 256, 512, 911, 1024, 1459, 1749, 1897, 2048, 2518, 2787, 2874, 3320, 3357, 3662, 4004, 4096, 8192, 16384, 28687, 32768, 45107, 53333, 57449, 65536, 77910, 86115, 90170, 102520, 106525, 114766, 127012
Offset: 1

Views

Author

N. J. A. Sloane, Apr 29 2000

Keywords

References

  • E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982, see p. 433.

Crossrefs

A054045 Grundy function for turn-at-most-8-coins game.

Original entry on oeis.org

1, 2, 4, 8, 16, 32, 64, 128, 255, 256, 512, 1024, 2048, 3855, 4096, 8192, 13107, 16384, 21845, 27306, 32768, 38506, 65536, 71576, 92115, 101470, 131072, 138406, 172589, 240014, 262144, 272069, 380556, 524288, 536169, 679601
Offset: 1

Views

Author

N. J. A. Sloane, Apr 29 2000

Keywords

References

  • E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982, see p. 433.

Crossrefs

A054046 Grundy function for turn-at-most-9-coins game.

Original entry on oeis.org

1, 2, 4, 8, 16, 32, 64, 128, 256, 511, 512, 1024, 2048, 4096, 7711, 8192, 16384, 26215, 32768, 43691, 54613, 65536, 77013, 131072, 143153, 184230, 202940, 262144, 276813, 345179, 480029, 524288, 544139, 761113, 1048576, 1072338
Offset: 1

Views

Author

N. J. A. Sloane, Apr 29 2000

Keywords

References

  • E. R. Berlekamp, J. H. Conway and R. K. Guy, Winning Ways, Academic Press, NY, 2 vols., 1982, see p. 433.

Crossrefs

Showing 1-5 of 5 results.