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A156264 a(n) = A000002(3*n-2), where A000002 is the Kolakoski sequence. 1
1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..12000

PROG

(PARI)

up_to = 12000;

v000002 = [1, 2, 2]; m=3; while(length(v000002) < 3*(1+up_to), v000002 = concat( v000002, vector(v000002[m], i, 2-m%2)); m++); \\ after PARI-code in A000002.

A000002(n) = v000002[n];

A156264(n) = A000002((3*n)-2); \\ Antti Karttunen, Dec 15 2017

CROSSREFS

Cf. A000002, A074264.

Sequence in context: A272901 A078315 A288120 * A249770 A298481 A324872

Adjacent sequences:  A156261 A156262 A156263 * A156265 A156266 A156267

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Feb 07 2009

STATUS

approved

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Last modified June 1 09:53 EDT 2020. Contains 334762 sequences. (Running on oeis4.)