OFFSET
1,1
COMMENTS
Any positive multiple of a member of this sequence is also a member. Primitive elements are in A124378. - Franklin T. Adams-Watters, Oct 28 2006
REFERENCES
Teruo Nishiyama, Fibonacci numbers, Suuri-Kagaku, No. 285, March 1987, 67-69, (in Japanese).
LINKS
T. D. Noe, Table of n, a(n) for n = 1..1000
B. Avila and T. Khovanova, Free Fibonacci Sequences, arXiv preprint arXiv:1403.4614, 2014 and J. Int. Seq. 17 (2014) # 14.8.5
MATHEMATICA
test[ n_ ] := For[ a=1; b=3, True, t=b; b=Mod[ a+b, n ]; a=t, If[ b==0, Return[ True ] ]; If[ a==2&&b==1, Return[ False ] ] ]; Select[ Range[ 110 ], !test[ # ]& ]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Naohiro Nomoto, Oct 15 2001
EXTENSIONS
More terms from Dean Hickerson, Oct 18, 2001
STATUS
approved