A084013 - OEIS

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A084013

Smallest n-digit palindromic multiple of n. For n = 10k it is sufficient that the multiple is palindromic with leading zeros ignored. 0 if no such number exists.

4

1, 22, 111, 2112, 50005, 201102, 1002001, 21100112, 100070001, 1000000010, 10000200001, 210000000012, 1000029200001, 20000055000002, 500000020000005, 2110000000000112, 10000000200000001, 200000007700000002, 1000000002000000001, 20000000000000000020

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

OFFSET

1,2

COMMENTS

Conjecture: no entry is zero.

LINKS

Table of n, a(n) for n=1..20.

CROSSREFS

Cf. A084014, A084015, A084016.

Sequence in context: A261534 A041938 A083123 * A084017 A089184 A214216

Adjacent sequences: A084010 A084011 A084012 * A084014 A084015 A084016

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 23 2003

EXTENSIONS

Corrected and extended by Ray Chandler, Jun 08 2003

a(12) corrected and more terms from Sean A. Irvine, Mar 02 2026

STATUS

approved