A137125 Numbers k such that k and k^2 use only the digits 3, 4, 5, 7 and 9.

3, 7, 595357, 7344357, 59455357, 99739357, 577373357, 733344357, 5995394357, 74393373357, 75733344357, 599947779357, 7333334394357, 7574599379357, 7745953359357, 59999477779357, 73454473995357, 74397577779357, 77455454775357, 97945797939357, 594537934344357, 595377993995357, 595435957595357, 734543775373357

Offset

1,1

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..27

J. Wellons, Tables of Shared Digits [archived]

Example

595435957595357^2 = 354543979597499779457747957449.

Crossrefs

Sequence in context: A137029 A174307 A351848 * A103319 A341812 A374944

Adjacent sequences: A137122 A137123 A137124 * A137126 A137127 A137128

Keyword

base,nonn

Author

Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008

Status

approved