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

0,3

Links

Table of n, a(n) for n=0..28.

Formula

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

Crossrefs

Corresponding totally balanced binary sequences in A063171: A080070.

Cf. A080067.

Sequence in context: A353016 A006400 A254342 * A226919 A307316 A298122

Adjacent sequences: A080065 A080066 A080067 * A080069 A080070 A080071

Keyword

nonn

Author

Antti Karttunen, Jan 27 2003

Extensions

More terms from Sean A. Irvine, Sep 02 2025

Status

approved