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A277721 a(n) = floor(n*t^3) - A003146(n), where t = 1.8392867... is the tribonacci constant A058265. 3
2, 1, 1, 0, 3, 2, 2, 1, 1, 1, 0, 2, 1, 2, 1, 1, 0, 3, 2, 2, 1, 0, 1, 0, 2, 1, 2, 1, 3, 2, 2, 2, 1, 1, 0, 3, 2, 2, 1, 1, 1, 3, 2, 2, 2, 1, 1, 0, 2, 2, 2, 1, 0, 1, 0, 2, 1, 1, 1, 1, 0, 2, 2, 2, 1, 0, 0, 0, 2, 1, 1, 1, 3, 2, 2, 1, 1, 1, 0, 2, 2, 2, 1, 1, 0, 3, 2, 2, 1, 1, 1, 0, 2, 1, 2, 1, 1, 0, 3, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Always in the set {-1,0,1,2,3}, but first occurrence of -1 is at n = 2047. - Jeffrey Shallit, Nov 19 2016

LINKS

N. J. A. Sloane, Table of n, a(n) for n = 1..10000

CROSSREFS

Cf. A003144, A003145, A003146, A275926, A276799, A058265, A276800, A276801, A278353 (positions of -1's).

Sequence in context: A235501 A116382 A050606 * A023416 A080791 A124748

Adjacent sequences:  A277718 A277719 A277720 * A277722 A277723 A277724

KEYWORD

sign,changed

AUTHOR

N. J. A. Sloane, Oct 28 2016

STATUS

approved

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Last modified February 16 21:59 EST 2019. Contains 320200 sequences. (Running on oeis4.)