A080068 Iterates of A080067.

0, 1, 2, 5, 11, 34, 82, 287, 923, 3016, 8664, 37407, 102983, 414050, 1488140, 5330976, 19367263, 76887675, 255935344, 808348061, 3420607749, 14063447808, 52376853939, 178612888734, 666146253450, 2182739853536, 10254827577242, 31021294603020, 132781022354213

Offset: 0

Author

Antti Karttunen, Jan 27 2003

Keywords

• nonn
• changed

Crossrefs

Corresponding totally balanced binary sequences in A063171: A080070.

Cf. A080067.

Formula

a(0) = 0, a(n) = A080067(a(n-1)).

Extensions

More terms from Sean A. Irvine, Sep 02 2025