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A065784 a(1) = 36; 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
36, 19, 603, 155636, 4615730086, 8967254090271143, 56096202719698239565812734781810166, 45033337806374635393337595037647446798889403018884984457350362192958678 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A061359, A065691, A065782, A065783.

Sequence in context: A033973 A033356 A158955 * A081726 A196044 A196041

Adjacent sequences:  A065781 A065782 A065783 * A065785 A065786 A065787

KEYWORD

base,nonn

AUTHOR

Klaus Brockhaus, Nov 19 2001

EXTENSIONS

More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Dec 18 2001

STATUS

approved

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Last modified October 24 05:38 EDT 2021. Contains 348217 sequences. (Running on oeis4.)