OFFSET
1,2
COMMENTS
The first cases that are prime numbers :
a(2)=2;
a(3)=3;
a(5)=5;
a(7)=7;
a(11)=11;
a(44)=101;
a(46)=103;
a(50)=107.
The first difference from A180477 is that n = 100 is in that sequence but not here.
LINKS
Indranil Ghosh, Table of n, a(n) for n = 1..10000
EXAMPLE
72 is a member because the median of its digits (7, 2) is 9/2 and 72 is divisible by 9/2 (i.e., the ratio 72/(9/2) is an integer).
MATHEMATICA
Select[Range[500], Quiet@ Divisible[#, Median@ IntegerDigits@ #] &] (* Giovanni Resta, Apr 08 2016 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
José de Jesús Camacho Medina, Apr 02 2016
STATUS
approved