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.

A075945 Positions of check bits in code in A075943.

Original entry on oeis.org

255, 3855, 13107, 21845, 27306, 38506, 71576, 92115, 101470, 138406, 172589, 240014, 272069, 380556, 536169, 679601, 847140, 1072054, 1258879, 1397519, 2005450, 2121415, 2496892, 2738813, 3993667, 4241896, 4617503, 5821704
Offset: 0

Views

Author

Bob Jenkins (bob_jenkins(AT)burtleburtle.net)

Keywords

References

  • J. H. Conway and N. J. A. Sloane, Lexicographic codes: error-correcting codes from game theory, IEEE Transactions on Information Theory, 32:337-348, 1986.

Crossrefs

A075946 List of codewords in binary lexicode with Hamming distance 10 written as decimal numbers.

Original entry on oeis.org

0, 1023, 31775, 32736, 232551, 233368, 258168, 258951, 824491, 825172, 846004, 846667, 989388, 990003, 1008851, 1009452, 1386837, 1387178, 1398090, 1398453, 1484082, 1484493, 1497389, 1497810, 1687038, 1687041, 1688033
Offset: 0

Views

Author

Bob Jenkins (bob_jenkins(AT)burtleburtle.net)

Keywords

References

  • J. H. Conway and N. J. A. Sloane, Lexicographic codes: error-correcting codes from game theory, IEEE Transactions on Information Theory, 32:337-348, 1986.

Crossrefs

A075942 Positions of check bits in code in A075940.

Original entry on oeis.org

127, 911, 1459, 1749, 1897, 2518, 2787, 2874, 3320, 3357, 3662, 4004, 28687, 45107, 53333, 57449, 77910, 86115, 90170, 102520, 106525, 114766, 127012, 143747, 152197, 156425, 169094, 173366, 181846, 194537, 202892, 207193
Offset: 0

Views

Author

Bob Jenkins (bob_jenkins(AT)burtleburtle.net)

Keywords

References

  • J. H. Conway and N. J. A. Sloane, Lexicographic codes: error-correcting codes from game theory, IEEE Transactions on Information Theory, 32:337-348, 1986.

Crossrefs

A075947 Basis for code in A075946.

Original entry on oeis.org

1023, 31775, 232551, 824491, 1386837, 6330581, 25206065, 42278310, 77607100, 402698573, 673253467, 1218520349, 6442523019, 10748180761, 51539687634, 86033873250, 156768744521, 824634027372, 1374532244735, 2476057332766
Offset: 0

Views

Author

Bob Jenkins (bob_jenkins(AT)burtleburtle.net)

Keywords

References

  • J. H. Conway and N. J. A. Sloane, Lexicographic codes: error-correcting codes from game theory, IEEE Transactions on Information Theory, 32:337-348, 1986.

Crossrefs

Formula

a(n) = b(2^n), where b is A075946, the binary lexicode, d=10.
b(n) = XOR(a(i)) for all i where the i-th bit is set in n.

A075954 Positions of check bits in code in A075952.

Original entry on oeis.org

2047, 63551, 211399, 350937, 437610, 617330, 701852, 1326734, 2399635, 3345329, 3948855, 5209182, 7660865, 9406857, 14789172, 18341345, 23517434, 25347166, 26851691, 29865293, 46824252, 91095814, 101522962, 168021398
Offset: 0

Views

Author

Bob Jenkins (bob_jenkins(AT)burtleburtle.net)

Keywords

References

  • J. H. Conway and N. J. A. Sloane, Lexicographic codes: error-correcting codes from game theory, IEEE Transactions on Information Theory, 32:337-348, 1986.

Crossrefs

Showing 1-5 of 5 results.