A054348 Triangular array whose rows are successive generations of the variant of the Kolakoski sequence described in A042942.

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

Offset: 0

Author

N. J. A. Sloane, May 07 2000

Keywords

• nonn
• tabf
• easy

Examples

			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.

Extensions

More terms from David Wasserman, Mar 04 2002