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A242080 Length of period of Nim sequence of subtraction game on first n terms of A242079. 0
1, 2, 5, 13, 29, 74, 164, 344, 868, 1916, 4012, 8204 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

For all terms so far with n>=1, a(n) = A242079(n)+1.

For all terms so far and for all n>=2, either a(n)=3*a(n-1)-2*a(n-2) or a(n)=3*a(n-1)-a(n-2).

LINKS

Table of n, a(n) for n=0..11.

N. Fox, Aperiodic Subtraction Games, Talk given at the Rutgers Experimental Mathematics Seminar, May 01 2014.

CROSSREFS

Cf. A242079.

Sequence in context: A259762 A045703 A289843 * A178444 A299145 A122025

Adjacent sequences:  A242077 A242078 A242079 * A242081 A242082 A242083

KEYWORD

nonn

AUTHOR

Nathan Fox, May 03 2014

STATUS

approved

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Last modified February 19 03:54 EST 2020. Contains 332032 sequences. (Running on oeis4.)