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A137014
Numbers k such that k and k^2 use only the digits 1, 2, 6, 7 and 8.
1
1, 11, 26, 261, 276, 826, 881, 1126, 1276, 2681, 8881, 78181, 78881, 82261, 88776, 161761, 261126, 277826, 1128126, 1271881, 1618276, 7866881, 8226276, 8287811, 8878126, 11281276, 12722681, 26781761, 27717826, 78221881, 78222681, 78878881, 161767681, 161777261, 166182811, 167812776, 261278181, 266678126, 266876126, 268116881
OFFSET
1,2
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
161767617828126^2 = 26168762177786628877276671876.
CROSSREFS
Sequence in context: A224197 A027521 A238147 * A137013 A014468 A156373
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved