OFFSET
1,10
LINKS
Indranil Ghosh, Table of n, a(n) for n = 1..10000
EXAMPLE
For n = 20, set of non-palindromic divisors is {10, 20}; a(12) = 10*20 = 200.
MATHEMATICA
Table[Times@@Select[Divisors[n], !PalindromeQ[#]&], {n, 60}] (* Harvey P. Dale, May 15 2023 *)
PROG
(Python)
def ispal(n):
return n==int(str(n)[::-1])
def A179937(n):
s=1
for i in range(1, n+1):
if n%i==0 and not ispal(i):
s*=i
return s # Indranil Ghosh, Feb 10 2017
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jaroslav Krizek, Jan 12 2011
EXTENSIONS
More terms from Indranil Ghosh, Feb 10 2017
STATUS
approved