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A088063
a(1) = 1, a(n) = smallest square obtained by prefixing a multiple of n to a(n-1).
2
1, 81, 19881, 1926419881, 121775642151926419881, 235039690681119003888121775642151926419881, 36607881966437971419803962177283371311043235039690681119003888121775642151926419881
OFFSET
1,2
EXAMPLE
a(2) = 81, a(3) = 19881 = 141^2 is obtained by prefixing 198 =3*66, to 81.
CROSSREFS
Cf. A088064.
Sequence in context: A116007 A013829 A100533 * A017200 A017308 A017428
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 21 2003
EXTENSIONS
Corrected and extended by Hans Havermann, Mar 01 2004
STATUS
approved