OFFSET
1,2
COMMENTS
Except for A001605(2) = 4, all terms of A001605 are terms of this sequence. - Chai Wah Wu, Dec 30 2019
LINKS
FORMULA
a(n) = A001605(n-8) for n >= 21 (conjectured). - Chai Wah Wu, Dec 30 2019
MATHEMATICA
Select[Range[2*10^2], DivisorSigma[0, Fibonacci[ # ]] == DivisorSigma[0, # ] &]
PROG
(PARI) isok(n) = numdiv(n) == numdiv(fibonacci(n)); \\ Michel Marcus, Feb 25 2016
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Joseph L. Pe, Feb 28 2003
EXTENSIONS
More terms from Ryan Propper, May 31 2006
a(30)-a(34) from Chai Wah Wu, Dec 30 2019
a(35) from Chai Wah Wu, Dec 31 2019
STATUS
approved