A121560 Lengths of blocks of zeros in sequence A121559.

2, 1, 1, 3, 1, 3, 1, 3, 2, 2, 1, 2, 2, 3, 1, 3, 2, 2, 2, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 2, 2, 1, 2, 3, 1, 3, 1, 3, 2, 1, 1, 3, 2, 3, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 2, 2, 3, 2, 2, 2, 2, 1, 2, 1, 1, 2, 1, 3, 1, 2, 1, 1, 4, 2, 1, 1, 4, 3, 1, 3, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 3, 1, 2, 1, 1, 2, 2, 1, 1

Offset: 1

Author

Kerry Mitchell, Aug 07 2006

Keywords

• easy
• nonn

Examples

			a(1) = 2 because A121559 begins 1, 0, 0, 1, with 2 zeros between 1's.
		

Links

• Kerry Mitchell, Table of n, a(n) for n = 1..2782

Crossrefs

Cf. A121559.