A316832 - OEIS

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A316832

In A316831, replace 2's and 3's with 0's.

0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1

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OFFSET

LINKS

Table of n, a(n) for n=0..103.

A. Cobham, On the Hartmanis-Stearns problem for a class of tag machines, 9th Annual Symposium on Switching and Automata Theory (SWAT 1968)(FOCS), pp. 51-60, 1968; doi:10.1109/SWAT.1968.20. See Example 7.

MATHEMATICA

Nest[ Flatten[# /. {0 -> {0, 1}, 1 -> {2, 1}, 2 -> {1, 3}, 3 -> {3, 3}}] &, {0}, 7] /. {2 -> 0, 3 -> 0} (* Robert G. Wilson v, Jul 18 2018 *)

CROSSREFS

Cf. A316831, A086747.

Sequence in context: A347870 A188967 A090171 * A086747 A188973 A188970

Adjacent sequences: A316829 A316830 A316831 * A316833 A316834 A316835

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 18 2018

STATUS

approved