A328653 a(0) = 1, and for n >= 0, a(n+1) = -A326936(a(n)).

1, 3, 7, 18, 35, 84, 222, 459, 1186, 2099, 4731, 8093, 19674, 49289, 102408, 242522, 659653

Offset

0,2

Comments

This sequence gives the values of the ancestors of the node with value 1 in the binary tree described in sequence A326936.

Links

Table of n, a(n) for n=0..16.

Crossrefs

Cf. A326936.

Sequence in context: A069143 A097007 A308445 * A011799 A006124 A197182

Adjacent sequences: A328650 A328651 A328652 * A328654 A328655 A328656

Keyword

nonn,more

Author

Rémy Sigrist, Oct 24 2019

Status

approved