A101217 Base-4 representation of positive integers whose base-2 run-length representation is the same as their base-4 representation.

1, 113, 321, 11313, 32113, 1131313, 3211313, 113131313, 321131313, 11313131313, 32113131313, 1131313131313, 3211313131313

Offset

1,2

Links

Table of n, a(n) for n=1..13.

Example

The base-2 run-length representation 11313 represents the base-2 number 101110111, which is 375 (base 10). But 375 = 11313 (base 4); thus 11313 is a term of the sequence.

Crossrefs

Sequence in context: A358034 A069794 A033249 * A142781 A323176 A365581

Adjacent sequences: A101214 A101215 A101216 * A101218 A101219 A101220

Keyword

nonn

Author

John W. Layman, Dec 14 2004

Status

approved