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A084992 Palindromes such that the difference between the consecutive terms are palindromes and this has not been the difference of any two consecutive terms earlier. +0
1
1, 2, 4, 7, 11, 22, 44, 77, 121, 222, 333, 454, 585, 787, 999, 1221, 2222, 3333, 4554, 5885, 7887, 9999, 12221 (list; graph; listen)
OFFSET

1,2

EXAMPLE

E.g. 1221-999 = 222 and 222 is a palindrome and this has not been the difference of any two consecutive terms earlier.

CROSSREFS

Adjacent sequences: A084989 A084990 A084991 this_sequence A084993 A084994 A084995

Sequence in context: A018077 A114347 A071250 this_sequence A058103 A097592 A052474

KEYWORD

nonn,base

AUTHOR

Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jun 30 2003

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.


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