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A065787 a(1) = 49; for n > 1 is a(n) the smallest integer > 0 such that the concatenation a(n)a(n-1)...a(2)a(1) is a square. 2
49, 18, 167, 2401, 4086461727, 14079962896835441528, 309880704108832516500624685064706000856, 4681896102766617737298881383797502847166028831212571921983062786215145771871779 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) = A061363(n+1) for n > 1.

LINKS

Table of n, a(n) for n=1..8.

CROSSREFS

A061359, A061363, A065691, A065785, A065786.

Sequence in context: A145583 A304139 A305045 * A033369 A236247 A299470

Adjacent sequences:  A065784 A065785 A065786 * A065788 A065789 A065790

KEYWORD

base,nonn

AUTHOR

Klaus Brockhaus, Nov 19 2001

STATUS

approved

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Last modified May 12 11:55 EDT 2021. Contains 343821 sequences. (Running on oeis4.)