A137021 Numbers k such that k and k^2 use only the digits 1, 3, 4, 5 and 6.

1, 4, 6, 34, 56, 66, 116, 334, 666, 1146, 1156, 3334, 3656, 6454, 6666, 11556, 33334, 36556, 66454, 66666, 116454, 333334, 561556, 643546, 666666, 1163466, 1164631, 3333334, 3341354, 3363646, 3651454, 3655334, 5616454, 6446434, 6454116, 6666666, 11463556, 11463566, 33333334, 56135146, 64463566, 64463646, 66666666, 115613646, 116366454

Offset

1,2

Comments

Generated with DrScheme.

Links

Jonathan Wellons, Table of n, a(n) for n = 1..257

J. Wellons, Tables of Shared Digits [archived]

Example

645456531561434^2 = 416614134135316445366116136356.

Crossrefs

Sequence in context: A180139 A222490 A071394 * A176002 A175061 A222502

Adjacent sequences: A137018 A137019 A137020 * A137022 A137023 A137024

Keyword

base,nonn

Author

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

Status

approved