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A083153 a(1) = 7, a(n) = smallest nontrivial palindromic multiple of a(n-1). a(n) is not equal to a(n-1) or a concatenation of a(n-1) with itself. 6
7, 161, 1771, 161161, 1772771, 414828414, 4107216127014, 45179377397154, 410725719917527014, 210233245545545542332012, 210023222533245542335222320012, 21212345475857799775857454321212, 2100232225542478645885468742455222320012 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Giovanni Resta, Table of n, a(n) for n = 1..18

P. De Geest, WONplate 36

CROSSREFS

Cf. A083154, A068667, A083147, A083149, A083151, A083155.

Sequence in context: A177469 A121786 A316947 * A320337 A214350 A208263

Adjacent sequences:  A083150 A083151 A083152 * A083154 A083155 A083156

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 25 2003

EXTENSIONS

More terms from Patrick De Geest, Jun 05 2003

a(13) from Giovanni Resta, Sep 25 2019

STATUS

approved

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Last modified December 1 14:10 EST 2021. Contains 349430 sequences. (Running on oeis4.)