OFFSET
1,2
EXAMPLE
a(35)=2456 is followed by a(36)=2738 (and not 2378, which contains digits different from those in a(34)=1456) since otherwise the sequence would not be increasing.
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Enrique Navarrete, Jul 28 2017
STATUS
approved