login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A065777
a(1) = 4; for n > 1, a(n) is the square root of the smallest square > a(n-1)^2 with a(n-1)^2 forming its final digits.
3
4, 46, 2454, 314954, 4492502454, 8866500849999685046, 4716968811408150949999999995507497546, 8302295225692406203256091732061577875000000000000000008866500849999685046
OFFSET
1,1
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Klaus Brockhaus, Nov 19 2001
EXTENSIONS
More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Dec 18 2001
STATUS
approved