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 A045050 Numbers whose base-4 representation contains exactly two 0's and three 2's. 2
 522, 546, 552, 642, 648, 672, 1066, 1162, 1186, 1192, 1546, 1570, 1576, 1666, 1672, 1696, 2074, 2086, 2089, 2091, 2094, 2106, 2122, 2146, 2152, 2182, 2185, 2187, 2190, 2194, 2200, 2209, 2211, 2212, 2220, 2226, 2232, 2250 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..4000 MATHEMATICA Select[Range[7000], DigitCount[#, 4, 0] == 2 && DigitCount[#, 4, 2] == 3 &] (* Vincenzo Librandi, Sep 21 2016 *) CROSSREFS Cf. A007090. Sequence in context: A057699 A033525 A138647 * A305268 A004968 A263306 Adjacent sequences: A045047 A045048 A045049 * A045051 A045052 A045053 KEYWORD nonn,base AUTHOR Clark Kimberling STATUS approved

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Last modified June 18 08:27 EDT 2024. Contains 373472 sequences. (Running on oeis4.)