A136995 Numbers k such that k and k^2 use only the digits 1, 2, 4, 6 and 9.

1, 2, 4, 11, 12, 14, 21, 46, 96, 114, 119, 121, 129, 162, 212, 264, 469, 642, 964, 1292, 1619, 1642, 2161, 2629, 4114, 4119, 4921, 4946, 4962, 4964, 6421, 6642, 9962, 11142, 14142, 14661, 16421, 21662, 22196, 26292, 41142, 44121, 44662, 46119, 46292, 49261, 49264, 49411, 49661, 49696, 64119, 64142, 64196, 122462, 126969, 149229, 164162, 216614

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..995

J. Wellons, Tables of Shared Digits [archived]

Example

249291921696121^2 = 62146462222944924161466446641.

Crossrefs

Sequence in context: A300375 A075488 A363702 * A136993 A136992 A089694

Adjacent sequences: A136992 A136993 A136994 * A136996 A136997 A136998

Keyword

base,nonn,changed

Author

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

Status

approved