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

Author

Patrick De Geest, Jul 15 1999

Keywords

• nonn
• base

Crossrefs

Cf. A050636, A048560, A050631, A061361.

See A065789 for an essentially identical sequence.

Extensions

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