A136999 Numbers k such that k and k^2 use only the digits 1, 2, 4 and 8.

1, 2, 11, 12, 21, 22, 122, 221, 1488, 11141

Offset

1,2

Comments

Generated with DrScheme.

Links

Table of n, a(n) for n=1..10.

Jonathan Wellons, Tables of Shared Digits [archived]

Example

11141^2 = 124121881.

Crossrefs

Sequence in context: A376677 A214215 A376637 * A271372 A053880 A063112

Adjacent sequences: A136996 A136997 A136998 * A137000 A137001 A137002

Keyword

base,nonn,more

Author

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

Status

approved