OFFSET
1,6
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..19
MAPLE
F:= proc(n) local r, M, p; r, M, p:=
<<1|0>, <0|1>>, <<0|1>, <1|1>>, n;
do if irem(p, 2, 'p')=1 then r:=
`if`(nargs=1, r.M, r.M mod args[2]) fi;
if p=0 then break fi; M:=
`if`(nargs=1, M.M, M.M mod args[2])
od; r[1, 2]
end:
a:= n-> (h-> F(h$2))(F(F(n))):
seq(a(n), n=1..15);
CROSSREFS
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Nov 11 2016
STATUS
approved