A065792 a(1) = 9; 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.

9, 41, 1209, 469959, 176270001209, 6042408942999999530041, 16385871165869048127200000000000176270001209, 28444329561227422116741433513058707457037799999999999999999999993957591057000000469959

Offset

1,1

Comments

a(n) = A050635(n+1) for n >= 1; a(n) = sqrt(A065791(n)).

Links

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

Crossrefs

Cf. A050635, A065690, A065791, A065793.

Sequence in context: A238907 A235642 A050635 * A118546 A334147 A336984

Adjacent sequences: A065789 A065790 A065791 * A065793 A065794 A065795

Keyword

base,nonn

Author

Klaus Brockhaus, Nov 19 2001

Status

approved