A058430 Squares composed of digits {0,3,4}, not ending with zero.

4, 300304, 343030433344, 3433000433443344, 40330334403443044, 33330430344333340030340440344044034304, 434003044400343443044430000434430333044043044

Offset: 1

Author

Patrick De Geest, Nov 15 2000

Keywords

• nonn
• base
• hard

Links

• Patrick De Geest, Index to related sequences
• Hisanori Mishima, Sporadic tridigital solutions

Programs

PARI

\\ see A058429 - M. F. Hasler, May 14 2007

Formula

a(n) = A058429(n)^2. - M. F. Hasler, Aug 29 2012

Extensions

One more term from M. F. Hasler, May 14 2007

One more term from Mishima's page added by Max Alekseyev, Jul 13 2009