A088065 a(1)= 4, a(n) =smallest square obtained by prefixing a multiple of n to a(n-1).

4, 64, 3364, 5963364, 60997005963364, 199819427993460997005963364, 779148655555947391948259040199819427993460997005963364, 33058582527625497709623707406768930141321702287214840779148655555947391948259040199819427993460997005963364

Offset

1,1

Links

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

Example

a(2) = 64, a(3) = 3364 = 58^2 is obtained by prefixing 33 =3*11, to 64.

Crossrefs

Cf. A088063, A088064.

Sequence in context: A296741 A167406 A156631 * A053718 A053773 A053763

Adjacent sequences: A088062 A088063 A088064 * A088066 A088067 A088068

Keyword

base,nonn

Author

Amarnath Murthy, Sep 21 2003

Extensions

More terms from David Wasserman, Jul 01 2005

Status

approved