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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A082776-A082783.

Sequence in context: A078238 A080494 A077710 * A132544 A017018 A027769

Adjacent sequences:  A088777 A088778 A088779 * A088781 A088782 A088783

KEYWORD

base,more,nonn

AUTHOR

Ray Chandler, Oct 26 2003

STATUS

approved

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Last modified May 25 16:28 EDT 2020. Contains 334595 sequences. (Running on oeis4.)