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A054348 Triangular array whose rows are successive generations of the variant of the Kolakoski sequence described in A042942. 4
2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..90.

EXAMPLE

Triangle begins:

2;

2, 2;

2, 2, 1, 1;

2, 2, 1, 1, 2, 1;

2, 2, 1, 1, 2, 1, 2, 2, 1;

2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2;

...

CROSSREFS

Cf. A000002, A054349, A054350, A054351.

Row lengths give A042942.

Sequence in context: A335808 A087472 A172069 * A239660 A237348 A037813

Adjacent sequences:  A054345 A054346 A054347 * A054349 A054350 A054351

KEYWORD

nonn,tabf,easy

AUTHOR

N. J. A. Sloane, May 07 2000

EXTENSIONS

More terms from David Wasserman, Mar 04 2002

STATUS

approved

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Last modified April 22 15:39 EDT 2021. Contains 343177 sequences. (Running on oeis4.)