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A088064 a(1)= 9, a(n) =smallest square obtained by prefixing a multiple of n to a(n-1). 2
9, 49, 1849, 39601849, 3433965039601849, 8431749543719703433965039601849, 21630328864165721709884727523448431749543719703433965039601849, 200826681694245319603106687572622863651082664493457603878954421630328864165721709884727523448431749543719703433965039601849 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

a(2) = 49, a(3) = 1849 = 43^2 is obtained by prefixing 18 =3*6, to 49.

CROSSREFS

Cf. A088063, A088065.

Sequence in context: A188140 A050632 A050638 * A080812 A116169 A084367

Adjacent sequences:  A088061 A088062 A088063 * A088065 A088066 A088067

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 21 2003

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jul 01 2005

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.