OFFSET
1,1
LINKS
P. De Geest, Index to related sequences
Hisanori Mishima, Sporadic tridigital solutions
CROSSREFS
KEYWORD
nonn,base,hard,more
AUTHOR
Patrick De Geest, Nov 15 2000
EXTENSIONS
a(5) (from the Mishima web site) added by Max Alekseyev, Jan 11 2007
STATUS
approved