0,2

Sequence A269174 sorted into ascending order with duplicates removed.

The indexing starts from zero, because a(0) = 0 is a special case in this sequence. (Zero is the only number which is its own predecessor).

Antti Karttunen, Table of n, a(n) for n = 0..8940

Eric Weisstein's World of Mathematics, Elementary Cellular Automaton

S. Wolfram, A New Kind of Science

Index entries for sequences related to cellular automata

Index to Elementary Cellular Automata

(Scheme, with Antti Karttunen's IntSeq-library)

(define A269177 (NONZERO-POS 0 0 A269175))

Cf. A269174, A269175.

Cf. A269176 (complement).

Cf. A269178 (a subsequence).

Sequence in context: A022544 A194366 A091067 * A269178 A120511 A176864

Adjacent sequences: A269174 A269175 A269176 * A269178 A269179 A269180

nonn

Antti Karttunen, Feb 22 2016

approved