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A137002 Numbers k such that k and k^2 use only the digits 1, 2 and 5. 0
1, 5, 11, 15 (list; graph; refs; listen; history; text; internal format)
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.

J. Wellons, Tables of Shared Digits

EXAMPLE

15^2 = 225.

CROSSREFS

Sequence in context: A196206 A079030 A103011 * A091718 A078002 A171418

Adjacent sequences:  A136999 A137000 A137001 * A137003 A137004 A137005

KEYWORD

base,fini,nonn

AUTHOR

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

STATUS

approved

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Last modified January 27 09:52 EST 2022. Contains 350607 sequences. (Running on oeis4.)