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A088780
a(1) = 9, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).
1
9, 99, 9009, 909909, 9009009009, 90099099099009, 90009090099009090009, 9000009009009009009009000009
OFFSET
1,1
KEYWORD
nonn,base,more
AUTHOR
Ray Chandler, Oct 26 2003
EXTENSIONS
a(8) by David Consiglio, Jr., Sep 30 2022
STATUS
approved