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A058445 Numbers k such that k^2 contains only digits {0,5,6}, not ending with zero. 1
2236081408416666 (list; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

No more terms to 2 * 10^19. - Charles R Greathouse IV, Aug 20 2011

LINKS

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

Tanya Khovanova, Non Recursions

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

CROSSREFS

Cf. A058446.

Sequence in context: A309111 A047698 A246252 * A290540 A132910 A172550

Adjacent sequences:  A058442 A058443 A058444 * A058446 A058447 A058448

KEYWORD

nonn,base,hard,more,bref

AUTHOR

Patrick De Geest, Nov 15 2000

STATUS

approved

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Last modified November 18 12:35 EST 2019. Contains 329261 sequences. (Running on oeis4.)