OFFSET
0,3
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..20000
MATHEMATICA
FromDigits[Flatten[IntegerDigits[#]/.(7->{})]]&/@Range[0, 80] (* Harvey P. Dale, Jun 09 2013 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved