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A179753 Integers (2k)-1..0 followed by integers (2k)+1..0 and so on. 4
1, 0, 3, 2, 1, 0, 5, 4, 3, 2, 1, 0, 7, 6, 5, 4, 3, 2, 1, 0, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..90.

FORMULA

a(n) = (2*A000194(n)) - A074294(n).

MATHEMATICA

Flatten[Table[Range[2n-1, 0, -1], {n, 10}]] (* Harvey P. Dale, Oct 08 2012 *)

CROSSREFS

Sequence in context: A031251 A194885 A128317 * A279318 A084269 A051427

Adjacent sequences:  A179750 A179751 A179752 * A179754 A179755 A179756

KEYWORD

nonn

AUTHOR

Antti Karttunen, Aug 03 2010

STATUS

approved

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Last modified April 22 22:19 EDT 2021. Contains 343197 sequences. (Running on oeis4.)