OFFSET
1,1
COMMENTS
EXAMPLE
The first fourteen words w(n) are 0, 1, 00, 01, 10, 11, 000, 001, 010, 011, 100, 101, 110, 111, so that a(1) = 4.
MATHEMATICA
(See A007931.)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Clark Kimberling, Jul 21 2021
STATUS
approved