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25, 141, 185, 235, 291, 753, 851, 955, 1565, 1851, 2495, 3235, 3641, 4295, 5251, 5765, 6031, 6865, 8061, 9353, 9691, 10741, 11103, 14215, 14631, 15481, 16355, 16801, 17711, 21085, 25855, 27553, 28131, 28715, 29305, 29901
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graph;
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listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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a(1) = 25 because A056106(3) = 25 = 5^2 is semiprime.
a(36) = 29901 because A056106(100) = 29901 = 3 * 9967 is semiprime.
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MATHEMATICA
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Select[Array[3 #^2 - # + 1 &, 100], PrimeOmega[#] == 2 &] (* Michael De Vlieger, Mar 17 2021 *)
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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