A136980 Numbers k such that k and k^2 use only the digits 1, 2, 3, 6 and 8.

1, 6, 11, 111, 261, 8131, 36361, 116881, 162261, 163361, 183881, 362131, 1166881, 1366881, 1616361, 1683111, 2612131, 3366361, 3636361, 6218381, 11666881, 16316361, 28863881, 28868361, 36223361, 112322131, 116666881, 116883131, 162383131, 168131861, 168282111, 261282631, 333636361, 362881361, 618233881, 816163361, 826633131

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..149

J. Wellons, Tables of Shared Digits [archived]

Example

261321321618361^2 = 68288833132366868132132326321.

Crossrefs

Sequence in context: A212592 A351991 A318858 * A083834 A136978 A145746

Adjacent sequences: A136977 A136978 A136979 * A136981 A136982 A136983

Keyword

base,nonn,changed

Author

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

Status

approved