A053928 Numbers k such that k^2 contains only digits {2,5,9}.

3, 5, 15, 23, 77, 173, 235, 315, 1515, 2435, 7227, 23515, 54335, 97773, 243515, 2435077, 3090673, 72497765, 74533585, 9639636523, 979793819766485, 77170285247817565, 9794365502654705173, 1598601020441309256565, 30484348812550551609088485, 76975943837016723668817565

Offset

1,1

Links

Table of n, a(n) for n=1..26.

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

Author?, Source, (txt)

H. Mishima, Sporadic tridigital solutions

Crossrefs

Cf. A053929.

Sequence in context: A290662 A003549 A018404 * A146779 A146859 A146835

Adjacent sequences: A053925 A053926 A053927 * A053929 A053930 A053931

Keyword

nonn,base

Author

Patrick De Geest, Mar 15 2000

Extensions

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005

a(21)-a(24) from Mishima's page added by Max Alekseyev, Aug 18 2013

More terms from Zhao Hui Du, Mar 01 2024

Status

approved