A118959 Non-palindromic numbers which are divisible by their reversal.

10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 200, 220, 300, 330, 400, 440, 500, 510, 540, 550, 600, 660, 700, 770, 800, 810, 880, 900, 990, 1000, 1010, 1100, 1110, 1210, 1310, 1410, 1510, 1610, 1710, 1810, 1910, 2000, 2020, 2100, 2120, 2200, 2220, 2320, 2420

Offset: 1

Author

Luc Stevens (lms022(AT)yahoo.com), May 25 2006

Keywords

• base
• nonn

Comments

A004086(a(n)) = A027751(a(n),k) for some k: 1 <= k < A001221(n); A031877 contains all terms not ending with zero. - Reinhard Zumkeller, Jul 15 2013

Examples

			510 is in the sequence because 510 is a non-palindromic number divisible by its reversal 15.
		

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Crossrefs

Subsequence of A029742; A031877 is a subsequence.

Programs

Haskell

a118959 n = a118959_list !! (n-1)
a118959_list = filter
   (\x -> let x' = a004086 x in x' /= x && x `mod` x' == 0) [1..]
-- Reinhard Zumkeller, Jul 15 2013

Mathematica

Select[Range[2420],!PalindromeQ[#]&&Divisible[#,IntegerReverse[#]]&] (* James C. McMahon, Sep 13 2024 *)