A136971 Numbers k such that k and k^2 use only the digits 1, 2, 3, 4 and 8.

1, 2, 11, 12, 18, 21, 22, 38, 111, 122, 182, 221, 338, 428, 482, 488, 1111, 1132, 1188, 1488, 1812, 3338, 3482, 4338, 4341, 4818, 4832, 11128, 11141, 11332, 28482, 28832, 33338, 42818, 113332, 118841, 181222, 182818, 333338, 334488, 338841, 348188, 482818, 1111222, 1133332, 1812232, 1823221, 2888128, 3333338, 3343832, 3344132, 3388428

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..438

J. Wellons, Tables of Shared Digits [archived]

Example

428348238482818^2 = 183482213411333123382481221124.

Crossrefs

Sequence in context: A216213 A160948 A299973 * A061677 A110126 A125020

Adjacent sequences: A136968 A136969 A136970 * A136972 A136973 A136974

Keyword

base,nonn,changed

Author

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

Status

approved