OFFSET
0,3
MATHEMATICA
Max[IntegerDigits[#, 8]]&/@Range[0, 110] (* Harvey P. Dale, Sep 05 2019 *)
PROG
(PARI) a(n) = if (n, vecmax(digits(n, 8)), 0); \\ Michel Marcus, Jul 19 2020
CROSSREFS
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, May 13 2011
STATUS
approved