|
|
A169824
|
|
Numbers n such that n is divisible by n-with-its-digits-reversed.
|
|
4
|
|
|
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 22, 30, 33, 40, 44, 50, 55, 60, 66, 70, 77, 80, 88, 90, 99, 100, 101, 110, 111, 121, 131, 141, 151, 161, 171, 181, 191, 200, 202, 212, 220, 222, 232, 242, 252, 262, 272, 282, 292, 300, 303, 313, 323, 330, 333, 343, 353, 363, 373, 383, 393
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
COMMENTS
|
If n is a term, then so is n*10^k. Positive terms in A002113 is a subsequence. - Chai Wah Wu, Sep 28 2017
|
|
LINKS
|
|
|
EXAMPLE
|
40 is divisible by 4.
|
|
MATHEMATICA
|
fQ[n_] := Mod[n, FromDigits@ Reverse@ IntegerDigits@ n] == 0; Select[ Range@ 399, fQ@# &] (* Robert G. Wilson v, Jun 10 2010 *)
|
|
PROG
|
(Python)
A169824_list = [n for n in range(1, 1000) if not n % int(str(n)[::-1])] # Chai Wah Wu, Sep 28 2017
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|