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.

A075951 Positions of check bits in code in A075949.

Original entry on oeis.org

1023, 31775, 105699, 175468, 218805, 308665, 350926, 663367, 1199817, 1672664, 1974427, 2604591, 3830432, 4703428, 7394586, 9170672, 11758717, 12673583, 13425845, 14932646, 23412126, 45547907, 50761481, 84010699
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.

Links

Crossrefs

Cf. A075928, A075929, A075930, A075949, A075950, A075954, A075945, A075957.

A075955 List of codewords in binary lexicode with Hamming distance 13 written as decimal numbers.

Original entry on oeis.org

0, 8191, 1040447, 1048512, 15786439, 15793720, 16712184, 16719367, 53683801, 53688742, 54314598, 54319513, 63162270, 63166561, 63711137, 63715422, 89475754, 89478485, 89827989, 89830762, 94743405, 94745746, 95046482
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.

Links

Crossrefs

Cf. A075928, A075929, A075930, A075956, A075957, A075958, A075949, A075961.

A075956 Basis for code in A075955.

Original entry on oeis.org

8191, 1040447, 15786439, 53683801, 89475754, 426151179, 3759235934, 13422994867, 22549990279, 40403963324, 206697639567, 825177352150, 1443261279781, 6597741209193, 11064929837983, 52777249440092
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.

Links

Crossrefs

Cf. A075928, A075929, A075930, A075955, A075957, A075959, A075950, A075962.

Formula

a(n) = b(2^n), where b is A075955, the binary lexicode, d=13.
b(n) = XOR(a(i)) for all i where the i-th bit is set in n.

A075960 Positions of check bits in code in A075958.

Original entry on oeis.org

8191, 516223, 3728271, 5975219, 7165269, 16161302, 50947772, 84585318, 101553934, 128162681, 152288542, 288829357, 415988810, 562392274, 710829887, 1104970424, 1584534888, 2257773870, 2991559250, 4278801141
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.

Links

Crossrefs

Cf. A075928, A075929, A075930, A075958, A075959, A075957, A075954, A075966.

A075963 Positions of check bits in code in A075958.

Original entry on oeis.org

16383, 2080895, 14927751, 23910809, 28666538, 31093963, 235133342, 369942023, 442559275, 477097165, 648119035, 859596605, 1185760538, 1394986404, 2327766446, 3865843796, 4475888762, 9264877532, 13979773625
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.

Links

Crossrefs

See also A075928, A075929, A075930, A075961, A075962, A075966, A075957, A075969.
Showing 1-5 of 5 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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