1,2

Numbers n for which there is no any k such that A269174(k) = n.

These are binary representations (shown in decimal) of Garden of Eden patterns in Wolfram's Rule 124 cellular automaton if infinite predecessors are forbidden.

Antti Karttunen, Table of n, a(n) for n = 1..11672

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 A269176 (ZERO-POS 1 1 A269175))

Cf. A269174, A269175.

Cf. A269177 (complement).

Sequence in context: A169612 A084581 A121996 * A091072 A001481 A248151

Adjacent sequences: A269173 A269174 A269175 * A269177 A269178 A269179

nonn

Antti Karttunen, Feb 22 2016

approved