A069668 Largest nontrivial (no trailing zeros) n-digit square with minimum digit sum.

1, 25, 121, 2401, 10201, 301401, 1002001, 25010001, 100020001, 2500100001, 10000200001, 250001000001, 1000002000001, 25000010000001, 100000020000001, 2500000100000001, 10000000200000001, 250000001000000001

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Crossrefs

Cf. A069661, A069662, A069663, A069664, A069665, A069666.

Sequence in context: A090159 A025283 A076433 * A274785 A214114 A085692

Adjacent sequences: A069665 A069666 A069667 * A069669 A069670 A069671

Keyword

nonn,base

Author

Amarnath Murthy, Apr 06 2002

Extensions

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Oct 15 2003

Status

approved