A136886 Numbers k such that k and k^2 use only the digits 0, 2, 3, 4 and 9.

0, 2, 3, 20, 30, 200, 300, 493, 2000, 3000, 4903, 4930, 4943, 4993, 20000, 30000, 30332, 30403, 49030, 49300, 49430, 49903, 49930, 49943, 49993, 200000, 223393, 300000, 303320, 304030, 304943, 490300, 493000, 494300, 499003, 499030, 499300, 499423, 499430, 499903, 499930, 499943, 499993, 2000000, 2233930, 3000000, 3003903, 3004003

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..1127

J. Wellons, Tables of Shared Digits [archived]

Example

49924343204903^2 = 2492440044440944349443239409.

Crossrefs

Sequence in context: A154746 A042781 A308885 * A191423 A195686 A295365

Adjacent sequences: A136883 A136884 A136885 * A136887 A136888 A136889

Keyword

base,nonn

Author

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

Status

approved