OFFSET
1,3
LINKS
Nathaniel Johnston, Table of n, a(n) for n = 1..10000
MAPLE
seq(`if`(numboccur(2, convert(n, base, 5))=0, n, NULL), n=0..127); # Nathaniel Johnston, Jun 27 2011
MATHEMATICA
Select[ Range[ 0, 125 ], (Count[ IntegerDigits[ #, 5 ], 2 ]==0)& ]
PROG
(PARI) is(n)=while(n>2, if(n%5==2, return(0)); n\=5); 1 \\ Charles R Greathouse IV, Feb 12 2017
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
STATUS
approved