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A137146 Numbers n such that n and the square of n use only the digits 5, 6, 7 and 8. 2
76, 766, 7666, 76666, 766666, 7666666, 76666666, 766666666, 7666666666, 76666666666, 766666666666, 7666666666666, 76666666666666, 766666666666666 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Generated with DrScheme

LINKS

Table of n, a(n) for n=1..14.

J. Wellons, Tables of Shared Digits

OEIS Index to sequences related to squares.

EXAMPLE

766666666666666^2 = 587777777777776755555555555556

CROSSREFS

Cf. A000290 (the squares); A136808, A136809, ..., A137147 for other digit combinations.

Cf. A058469 - A058472 and A058411, ..., A058474 for other digit combinations.

Cf. A277959, A277960, A277961, A295005, ..., A295009 (squares with largest digit = 2, 3, 4, 5, ..., 9).

Sequence in context: A136964 A136962 A324626 * A156388 A156396 A233365

Adjacent sequences:  A137143 A137144 A137145 * A137147 A137148 A137149

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified January 22 10:48 EST 2021. Contains 340362 sequences. (Running on oeis4.)