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Sloping Binary Numbers: A New Sequence Related to the Binary Numbers

David Applegate, Benoit Cloitre, Philippe Deléham, N. J. A. Sloane

math.NTarXiv:math/0505295

Abstract

If the list of binary numbers is read by upward-sloping diagonals, the resulting ``sloping binary numbers'' 0, 11, 110, 101, 100, 1111, 1010, ... (or 0, 3, 6, 5, 4, 15, 10, ...) have some surprising properties. We give formulae for the n-th term and the n-th missing term, and discuss a number of related sequences.

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