OFFSET
1,2
COMMENTS
Are run lengths given by A081688? Equivalently, does n appear A081688(n) times? - Peter Kagey, Mar 20 2020
LINKS
Peter Kagey, Table of n, a(n) for n = 1..10000
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 24 2013
STATUS
approved