[go: up one dir, main page]

login
A083142
Palindromes that cannot be expressed as the difference of two palindromes.
2
919, 9119, 90109, 91019, 91119, 91219, 91319, 91419, 91519, 91619, 91719, 91819, 91919, 92129, 93139, 94149, 95159, 96169, 97179, 98189, 99199, 901109, 910019, 911119, 912219, 913319, 914419, 915519, 916619, 917719, 918819, 919919, 921129
OFFSET
1,1
COMMENTS
Palindromes in A084843. All terms begin with 9. Do all terms contain a 1?
EXAMPLE
9 is not a member because 9 = 11 - 2.
CROSSREFS
Sequence in context: A059668 A162870 A251133 * A332191 A068163 A289794
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 25 2003
EXTENSIONS
Edited and extended by David Wasserman, Oct 19 2004
STATUS
approved