A054350 Triangular array whose rows are successive generations of the Kolakoski sequence A000002.

1, 1, 2, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2, 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, 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, 2, 2, 1, 2, 2, 1, 1, 2, 1

Offset: 0

Author

N. J. A. Sloane, May 07 2000

Keywords

• nonn
• tabf
• easy

Examples

			Triangle begins:
1;
1, 2;
1, 2, 2, 1;
1, 2, 2, 1, 1, 2, 1;
1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2;
1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 1, 2, 1, 1, 2;
...
		

Crossrefs

Cf. A000002, A054348, A054349, A054350, A054351, A054352.

Row lengths give A054352.

Extensions

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 05 2003