0,3

Union of A003754 and A003714, complement of A107911;

a(A023548(n+2)) = A052940(n+1) for n>0;

a(A001924(n)) = A000225(n) = 2^n - 1;

a(A000126(n)) = A000079(n) = 2^n for n>0;

A107910(n) = a(n+1) - a(n).

Ivan Neretin, Table of n, a(n) for n = 0..10000

J. M. Dusel, Balanced parabolic quotients and branching rules for Demazure crystals, 2014.

Index entries for 2-automatic sequences.

(Perl)

foreach $n(1..100){$_=sprintf("%b", $n); print "$n\n" if !m/11/||!m/00/}

# Ivan Neretin, May 01 2016

Cf. A007088, A107907.

Sequence in context: A289812 A206551 A247762 * A255724 A285100 A067340

Adjacent sequences: A107906 A107907 A107908 * A107910 A107911 A107912

nonn,base,easy

Reinhard Zumkeller, May 28 2005

approved