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A110841
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a(n) is the number of prime factors, with multiplicity, of abs(A014509(n)).
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0
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0, 0, 0, 0, 0, 0, 0, 0, 1, 4, 2, 7, 7, 2, 2, 4, 3, 3, 7, 1, 6, 4, 5, 14, 4, 9, 5, 10, 3, 11, 2, 5, 3, 7, 11, 5, 3, 4, 15, 6, 5, 19, 10, 6, 13, 15, 5, 10, 5, 5, 6, 7, 5, 15, 7, 5, 2, 13, 4, 3, 10, 5, 9, 7, 5, 4
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OFFSET
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0,10
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LINKS
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FORMULA
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EXAMPLE
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a(10) = 2 because A014509(10) = 529 = 23^2.
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PROG
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(PARI) a(n) = my(b=bernfrac(2*n), c=floor(abs(b))*sign(b)); if (c==0, 0, bigomega(c)); \\ Michel Marcus, Mar 29 2020
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CROSSREFS
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Cf. A001222, A073276, A075178, A076547, A076549, A079294, A083687, A084217, A085092, A085737, A089170, A089644, A089655.
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KEYWORD
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nonn,less,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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