A050637 a(1) = 2; a(n+1)^2 is next smallest square ending with a(n)^2.

2, 8, 42, 2458, 310042, 2929997542, 1046218875000310042, 406005268741864709999999997070002458, 50376698115810287966925579573179705000000000000000001046218875000310042

Offset

1,1

Links

Table of n, a(n) for n=1..9.

Crossrefs

Cf. A050636, A048560, A050631, A061361.

See A065789 for an essentially identical sequence.

Sequence in context: A197935 A267619 A012917 * A349145 A188174 A193659

Adjacent sequences: A050634 A050635 A050636 * A050638 A050639 A050640

Keyword

nonn,base

Author

Patrick De Geest, Jul 15 1999

Extensions

More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Nov 06 2001

Status

approved