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 A136972 Numbers n such that n and the square of n use only the digits 1, 2, 3, 4 and 9. 1
 1, 2, 3, 11, 12, 21, 111, 139, 212, 339, 1111, 1193, 4943, 11132, 12212, 14139, 14943, 21193, 43923, 49229, 119132, 122193, 141111, 149139, 221911, 439229, 492239, 499423, 1192193, 1221193, 1393239, 2222911, 2234143, 3491911, 4911123, 4913443, 4929423, 4944132, 11132921, 11929423, 12214423, 14122143, 14912911, 14914132, 21194132 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Generated with DrScheme LINKS Jonathan Wellons, Table of n, a(n) for n=1..451 J. Wellons, Tables of Shared Digits EXAMPLE 493912149214943^2 = 243949211142124119131214493249 CROSSREFS Sequence in context: A212129 A172409 A062936 * A227764 A135115 A107402 Adjacent sequences:  A136969 A136970 A136971 * A136973 A136974 A136975 KEYWORD base,nonn AUTHOR Jonathan Wellons (wellons(AT)gmail.com), Jan 22 2008 STATUS approved

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Last modified June 17 18:57 EDT 2019. Contains 324198 sequences. (Running on oeis4.)