A137055 Numbers k such that k and k^2 use only the digits 1, 4, 6, 8 and 9.

1, 4, 8, 9, 14, 41, 119, 141, 441, 446, 696, 946, 1191, 4119, 6441, 9469, 9486, 41191, 44119, 66969, 69641, 81619, 98446, 98488, 118941, 119114, 441191, 644196, 646886, 664191, 664446, 666946, 681881, 816691, 818196, 944191, 998446, 1191141, 6414164, 6414191, 6441191, 6664191, 6666946, 6681691, 6844114, 6844119, 8166691, 8184864, 9441881

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..409

J. Wellons, Tables of Shared Digits [archived]

Example

646849819868941^2 = 418414689464481418898416461481.

Crossrefs

Sequence in context: A281686 A122785 A280450 * A078177 A326692 A373375

Adjacent sequences: A137052 A137053 A137054 * A137056 A137057 A137058

Keyword

base,nonn

Author

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

Status

approved