OFFSET
1,2
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..500
EXAMPLE
4136*(4*1*3*6) = 297792 (a palindrome). So, 4136 is a member of this sequence.
PROG
(Python)
def ispal(n):
..r = ''
..for i in str(n):
....r = i + r
..return n == int(r)
def DP(n):
..p = 1
..for i in str(n):
....p *= int(i)
..return p
{print(n, end=', ') for n in range(10**4) if DP(n) and ispal(n*DP(n))}
## Simplified by Derek Orr, Apr 10 2015
(PARI) ispal(n)=n=digits(n); n==Vecrev(n)
dprod(n)=n=digits(n); prod(i=1, #n, n[i])
is(n)=my(d=dprod(n)); d && ispal(d*n) \\ Charles R Greathouse IV, Apr 30 2014
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Derek Orr, Sep 26 2013
STATUS
approved