OFFSET
0,1
LINKS
FORMULA
a(n) = 1 + 45*(floor(n/5) - floor((n-1)/5)) for n>0 with a(0) = 23. - Wesley Ivan Hurt, Apr 09 2017
From Amiram Eldar, Dec 26 2023: (Start)
Multiplicative with a(5^e) = 46, and a(p^e) = 1 for p != 5.
Dirichlet g.f.: zeta(s) * (1 + 9/5^(s-1)). (End)
MAPLE
with(numtheory): Digits := 300: convert(evalf(sqrt(557)), confrac);
MATHEMATICA
ContinuedFraction[Sqrt[557], 100] (* Amiram Eldar, Dec 26 2023 *)
PROG
(PARI) contfrac(sqrt(557)) \\ Michel Marcus, Apr 09 2017
CROSSREFS
KEYWORD
nonn,cofr,easy,less,mult
AUTHOR
STATUS
approved