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A241418 First differences of Arshon's sequence, cf. A099054. 2
1, 1, -2, 2, -1, 1, -2, 1, 1, -1, -1, 2, -2, 1, -1, 2, -1, 1, -2, 1, 1, -1, -1, 1, 1, -2, 1, -1, 2, -1, 1, -2, 2, -1, -1, 2, -2, 1, 1, -1, -1, 1, 1, -2, 2, -1, -1, 2, -2, 1, -1, 2, -1, 1, -2, 1, 1, -1, -1, 1, 1, -2, 1, -1, 2, -1, 1, -2, 2, -1, -1, 1, 1, -2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Also first differences of A219762;

a(n) = A099054(n+1) - A099054(n) = A219762(n+2) - A219762(n+1).

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..10000

PROG

(Haskell)

a241418 n = a241418_list !! n

a241418_list = zipWith (-) (tail a099054_list) a099054_list

CROSSREFS

Cf. A099054, A219762.

Sequence in context: A038769 A327818 A255481 * A117229 A264119 A225518

Adjacent sequences:  A241415 A241416 A241417 * A241419 A241420 A241421

KEYWORD

sign

AUTHOR

Reinhard Zumkeller, Aug 08 2014

STATUS

approved

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Last modified February 28 01:54 EST 2020. Contains 332319 sequences. (Running on oeis4.)