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A136980
Numbers k such that k and k^2 use only the digits 1, 2, 3, 6 and 8.
1
1, 6, 11, 111, 261, 8131, 36361, 116881, 162261, 163361, 183881, 362131, 1166881, 1366881, 1616361, 1683111, 2612131, 3366361, 3636361, 6218381, 11666881, 16316361, 28863881, 28868361, 36223361, 112322131, 116666881, 116883131, 162383131, 168131861, 168282111, 261282631, 333636361, 362881361, 618233881, 816163361, 826633131
OFFSET
1,2
COMMENTS
Generated with DrScheme.
LINKS
J. Wellons, Tables of Shared Digits [archived]
EXAMPLE
261321321618361^2 = 68288833132366868132132326321.
CROSSREFS
Sequence in context: A212592 A351991 A318858 * A083834 A136978 A145746
KEYWORD
base,nonn
AUTHOR
Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008
STATUS
approved