OFFSET
1,1
COMMENTS
1st terms are 1,1,1,1,1,... and 2nd terms are 2,1,1,1,1,...
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..251
FORMULA
a(n) ~ c / log(2)^n, where c = 1/A277435 = 1.582031511247872306827383... - Vladimir Reshetnikov, Oct 18 2016
MATHEMATICA
ContinuedFraction[#, 3][[3]] & /@ NestList[Sqrt[2]^# &, Sqrt[2], 40]
PROG
(PARI) a(n) = {my(c = sqrt(2)); for (k=1, n-1, c = sqrt(2)^c); contfrac(c)[3]; } \\ Michel Marcus, Oct 19 2016
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Vladimir Reshetnikov, Oct 30 2011
STATUS
approved