A105228 - OEIS

A105228

a(n) = A102370(n) + 1.

1, 4, 7, 6, 5, 16, 11, 10, 9, 12, 15, 14, 29, 24, 19, 18, 17, 20, 23, 22, 21, 32, 27, 26, 25, 28, 31, 62, 45, 40, 35, 34, 33, 36, 39, 38, 37, 48, 43, 42, 41, 44, 47, 46, 61, 56, 51, 50, 49, 52, 55, 54, 53, 64, 59, 58, 57, 60, 127, 94, 77, 72, 67, 66, 65, 68, 71, 70

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OFFSET

1,2

COMMENTS

If the array of negative numbers is written in 2's-complement notation and read by diagonals one obtains the sequence -1, -4, -7, -6, ...

LINKS

Table of n, a(n) for n=1..68.

David Applegate, Benoit Cloitre, Philippe Deléham and N. J. A. Sloane, Sloping binary numbers: a new sequence related to the binary numbers, J. Integer Seq. 8 (2005), no. 3, Article 05.3.6, 15 pp.

CROSSREFS

Cf. A102370, A105229.

Sequence in context: A116081 A361351 A275162 * A199550 A292510 A284116

Adjacent sequences: A105225 A105226 A105227 * A105229 A105230 A105231

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Apr 15 2005

STATUS

approved