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A161382 (0,1)-sequence where n-th run has length n^2. 2
0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = A161385(n) - 1. - Reinhard Zumkeller, Aug 10 2014

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

MATHEMATICA

Table[{Table[0, n^2], Table[1, (n+1)^2]}, {n, 1, 7, 2}]//Flatten (* Harvey P. Dale, Jul 06 2016 *)

PROG

(Haskell)

a161382 n = a161382_list !! (n-1)

a161382_list = concatMap (\x -> replicate (x ^ 2) (1 - mod x 2)) [1..]

-- Reinhard Zumkeller, Aug 10 2014

CROSSREFS

Cf. A161385.

Sequence in context: A115517 A022930 A068344 * A138886 A099859 A176416

Adjacent sequences:  A161379 A161380 A161381 * A161383 A161384 A161385

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 29 2009

STATUS

approved

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Last modified December 9 00:45 EST 2016. Contains 278959 sequences.