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A065777 a(1) = 4; 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. 4
4, 46, 2454, 314954, 4492502454, 8866500849999685046, 4716968811408150949999999995507497546, 8302295225692406203256091732061577875000000000000000008866500849999685046 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

A050635, A065690, A065776, A065778.

Sequence in context: A195243 A269005 A107766 * A193485 A006422 A301278

Adjacent sequences:  A065774 A065775 A065776 * A065778 A065779 A065780

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 May 27 12:27 EDT 2020. Contains 334657 sequences. (Running on oeis4.)