The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Generated with DrScheme. LINKS Jonathan Wellons, Table of n, a(n) for n = 1..237 J. Wellons, Tables of Shared Digits EXAMPLE 161767617828126^2 = 26168762177786628877276671876. CROSSREFS Sequence in context: A224197 A027521 A238147 * A137013 A014468 A156373 Adjacent sequences:  A137011 A137012 A137013 * A137015 A137016 A137017 KEYWORD base,nonn AUTHOR Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 18 04:22 EDT 2021. Contains 347508 sequences. (Running on oeis4.)