1,2

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

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.

Sequence in context: A172983 A069794 A033249 * A142781 A111013 A300537

Adjacent sequences: A101214 A101215 A101216 * A101218 A101219 A101220

nonn

John W. Layman, Dec 14 2004

approved