A137002 Numbers k such that k and k^2 use only the digits 1, 2 and 5.

1, 5, 11, 15

Offset

1,2

Comments

Sequence terminates.

Generated with DrScheme.

Numbers appearing in A131082; subsequence of A031153, A137003. - M. F. Hasler, Jan 24 2008

Links

Table of n, a(n) for n=1..4.

Jonathan Wellons, Tables of Shared Digits [archived]

Example

15^2 = 225.

Crossrefs

Cf. A031153, A131082, A136986, A137003.

Sequence in context: A196206 A079030 A103011 * A091718 A078002 A171418

Adjacent sequences: A136999 A137000 A137001 * A137003 A137004 A137005

Keyword

base,fini,full,nonn,changed

Author

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

Status

approved