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A137103 Numbers k such that k and k^2 use only the digits 2, 4, 6 and 8. 0
2, 8, 22, 68, 262, 668, 6668, 66668, 666668, 6666668, 66666668, 666666668, 6666666668, 66666666668, 666666666668, 6666666666668, 66666666666668, 666666666666668 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Generated with DrScheme.

LINKS

Table of n, a(n) for n=1..18.

J. Wellons, Tables of Shared Digits

EXAMPLE

262^2 = 68644.

CROSSREFS

Sequence in context: A178159 A262720 A321573 * A089586 A339302 A045695

Adjacent sequences:  A137100 A137101 A137102 * A137104 A137105 A137106

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified January 20 03:25 EST 2022. Contains 350467 sequences. (Running on oeis4.)