A136951 Numbers k such that k and k^2 use only the digits 0, 4, 5, 7 and 8.

0, 88, 878, 880, 888, 7588, 8780, 8800, 8880, 74078, 75878, 75880, 87800, 88000, 88800, 740578, 740588, 740780, 755478, 758780, 758800, 840088, 878000, 880000, 880088, 888000, 7405780, 7405880, 7407800, 7554780, 7587800, 7588000, 8400880, 8705088, 8780000, 8800000, 8800448, 8800880, 8880000, 74057800, 74058800, 74078000, 74487888

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..420

J. Wellons, Tables of Shared Digits [archived]

Example

870504454040578^2 = 757778004504484775470470574084.

Crossrefs

Sequence in context: A137124 A194651 A072432 * A136933 A136958 A137049

Adjacent sequences: A136948 A136949 A136950 * A136952 A136953 A136954

Keyword

base,nonn

Author

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

Status

approved