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Search: id:A065690
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A065690 a(1) = 0; for n > 1 is a(n) the square root of the smallest square > a(n-1)^2 with a(n-1)^2 forming its final digits. +0
10
0, 10, 90, 410, 12090, 4699590, 1762700012090, 60424089429999995300410, 163858711658690481272000000000001762700012090, 284443295612274221167414335130587074570377999999999999999999999939575910570000004699590 (list; graph; listen)
OFFSET

1,2

COMMENT

a(n) = 10*A050635(n-1) for n > 1; a(n) = sqrt(A065689(n)).

CROSSREFS

Cf. A050634, A050635, A061359, A065689, A065691.

Sequence in context: A057081 A024132 A044261 this_sequence A038726 A009454 A004985

Adjacent sequences: A065687 A065688 A065689 this_sequence A065691 A065692 A065693

KEYWORD

base,nonn

AUTHOR

Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Nov 17 2001

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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