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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 [archived] 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 July 15 00:37 EDT 2024. Contains 374323 sequences. (Running on oeis4.)