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URL: https://oeis.org/A082780

⇱ A082780 - OEIS

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A082780

a(1) = 5, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).

8

5, 55, 5005, 505505, 5005005005, 50055055055005, 50005050055005050005, 5000005005005005005005000005, 50000050055050055055055005055005000005

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

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Cf. A082776, A082777, A082778, A082779, A082781, A082782, A082783.

Sequence in context: A111821 A275546 A068666 * A063855 A376767 A081785

Adjacent sequences: A082777 A082778 A082779 * A082781 A082782 A082783

KEYWORD

base,more,nonn

AUTHOR

Amarnath Murthy, Apr 19 2003

EXTENSIONS

Corrected by Ray Chandler, Oct 13 2003

a(8)-a(9) from Sean A. Irvine, Apr 19 2010

STATUS

approved