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A137082 Numbers k such that k and k^2 use only the digits 2, 3, 5, 6 and 9. 1
3, 5, 6, 23, 25, 63, 235, 236, 256, 2323, 2365, 2523, 22925, 23566, 25565, 26335, 59635, 62925, 232236, 236565, 252236, 255663, 263235, 626335, 996963, 2293325, 2353656, 2359923, 2555256, 2556663, 2556665, 2633235, 2639236, 5996963, 6263335, 6295236, 9626335, 9626366, 9639635, 9966925, 9996963, 22955665, 23522235, 23566925, 23592235 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Generated with DrScheme.

LINKS

Jonathan Wellons, Table of n, a(n) for n = 1..388

J. Wellons, Tables of Shared Digits

EXAMPLE

596365936252535^2 = 355652329922362639359293926225.

MATHEMATICA

nsnQ[n_]:=SubsetQ[{2, 3, 5, 6, 9}, IntegerDigits[n^2]]; Table[Select[ FromDigits/@ Tuples[{2, 3, 5, 6, 9}, n], nsnQ], {n, 8}]//Flatten (* Harvey P. Dale, Jun 24 2018 *)

CROSSREFS

Sequence in context: A276704 A103022 A086189 * A242501 A099414 A004785

Adjacent sequences:  A137079 A137080 A137081 * A137083 A137084 A137085

KEYWORD

base,nonn

AUTHOR

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

STATUS

approved

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Last modified September 24 15:00 EDT 2022. Contains 356936 sequences. (Running on oeis4.)