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A069501
a(1) = 9; a(n) = smallest multiple of a(n-1) which is a palindromic square.
1
9, 12321, 102030201, 12345654321, 102234363432201, 10022014302620341022001, 10002000320024001610042002300020001
OFFSET
0,1
CROSSREFS
Cf. A069502.
Sequence in context: A321618 A055320 A271717 * A360762 A206461 A258719
KEYWORD
nonn,base,hard
AUTHOR
Amarnath Murthy, Mar 30 2002
EXTENSIONS
More terms from Sascha Kurz, Feb 07 2003
STATUS
approved