A218610 Distinct values of A218788 in the order of appearance.

0, 1, 3, 4, 2, 37, 110, 18, 11, 32, 33, 4755, 16127, 73542063, 97105360, 62, 1306632183, 39288694215537689, 193, 8150, 719, 12, 5, 13505, 246941338376004599, 13, 45, 407, 944077158106260984, 4975012595, 5738426278308884, 26, 27439590092251146768825651348524279

Offset: 1

Author

Antti Karttunen, Nov 11 2012

Keywords

• nonn

Comments

a(n) = A014486-index for the n-th tendril of the infinite beanstalk (A179016), which has not been encountered before, constructed with lesser numbers coming to the right, and larger to the left hand side of each branch.

Links

• A. Karttunen, Table of n, a(n) for n = 1..72
• A. Karttunen, Illustration of how binary trees (the second rightmost column) are encoded by A014486

Crossrefs

These are the mirror-images of binary trees given in A218609, i.e. a(n) = A057163(A218609(n)). A218613 gives the sizes of these trees. Cf. A218611.

Programs

Scheme

(define (A218610 n) (A218788 (A218611 n)))

Formula

a(n) = A218788(A218611(n)).