A083933 A063171-encoding of A083923-trees.

0, 1100, 11001100, 11110000, 110011001100, 110011110000, 111100001100, 111100110000, 111111000000, 1100110011001100, 1100110011110000, 1100111100001100, 1100111100110000, 1100111111000000, 1111000011001100

Offset: 0

Author

Antti Karttunen, May 13 2003

Keywords

• nonn

Comments

Subset of totally balanced binary strings (A063171) with only even runs of either bit 0 or 1 occurring.

Crossrefs

Permutation of A080317 from which this differs first time at the sixth term, with a(6)=111100001100, while A080317(6)=111111000000.

Cf. A007088, A063171, A083932, A083923.

Formula

a(n) = A007088(A083932(n)).