OFFSET
0,9
EXAMPLE
MAPLE
b:= proc(n) option remember; `if`(n<5, 0,
`if`(n=5, 1, add(b(n-j), j=1..6)))
end:
a:= n-> (<<0|1>, <1|1>>^b(n))[1, 2]:
seq(a(n), n=0..14); # Alois P. Heinz, Aug 09 2018
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Jonathan Vos Post, Nov 13 2005
STATUS
approved