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A117056 Palindromes for which both the sum of the digits and the product of the digits are also palindromes. +0
1
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 22, 33, 101, 111, 121, 131, 141, 151, 161, 171, 191, 202, 212, 222, 303, 313, 404, 1001, 1111, 1221, 1331, 2002, 2112, 3003, 3113, 4004, 10001, 10101, 10201, 10301, 10401, 10501, 10601, 10701, 10901, 11011, 11111, 11211 (list; graph; listen)
OFFSET

0,3

EXAMPLE

11711 is in the sequence because (1) it is a palindrome, (2)the sum of its digits 1+1+7+1+1=11 is a palindrome and (3)the product of its digits 1*1*7*1*1=7 is also a palindrome.

CROSSREFS

Cf. A002113.

Sequence in context: A082208 A099165 A117055 this_sequence A082207 A083115 A103357

Adjacent sequences: A117053 A117054 A117055 this_sequence A117057 A117058 A117059

KEYWORD

base,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 16 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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