OFFSET
1,2
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Luc Stevens (lms022(AT)yahoo.com), May 07 2006
EXTENSIONS
Inserted a(21)=159, following an observation by Kevin Ryde. M. F. Hasler, May 06 2012
STATUS
approved