OFFSET
1,2
EXAMPLE
123654, for instance, is in the sequence because 1|1, 2|12, 3|123, 4|1236, 5|12365, 6|123654.
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Lekraj Beedassy, Mar 14 2009
EXTENSIONS
a(4), a(5), a(7), a(9) corrected by Ray Chandler, Mar 21 2009
STATUS
approved