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A058430 Squares composed of digits {0,3,4}, not ending with zero. 9
4, 300304, 343030433344, 3433000433443344, 40330334403443044, 33330430344333340030340440344044034304, 434003044400343443044430000434430333044043044 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..7.

Patrick De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

FORMULA

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

PROG

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

CROSSREFS

Sequence in context: A034209 A260614 A300286 * A079286 A275685 A124119

Adjacent sequences:  A058427 A058428 A058429 * A058431 A058432 A058433

KEYWORD

nonn,base,hard

AUTHOR

Patrick De Geest, Nov 15 2000

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

STATUS

approved

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Last modified October 22 12:40 EDT 2021. Contains 348168 sequences. (Running on oeis4.)