0,2

Subset of totally balanced binary strings (A014486) with only even runs of either bit 0 or 1 occurring. See A083933.

Table of n, a(n) for n=0..34.

Index entries for encodings of plane rooted trees

a(n) = A008585(A083931(n)), i.e. 3*A083931(n).

Same sequence in binary: A083933, indices to A014486: A083934.

Permutation of A080316 from which this differs first time at the sixth term, with a(6)=3852, while A080316(6)=4032.

Sequence in context: A327073 A133242 A141836 * A080316 A108020 A097193

Adjacent sequences: A083929 A083930 A083931 * A083933 A083934 A083935

nonn

Antti Karttunen May 13 2003

approved