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A133295
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Smallest squarefree k such that the first n nonzero values of mu(j), j>=k, are all equal (mu is the Moebius function).
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OFFSET
| 1,2
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EXAMPLE
| a(6)=201 because the first occurrence of 6 consecutive squarefree numbers with numbers of prime divisors having the same parity is 201, 202, 203, 205, 206, 209
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CROSSREFS
| Sequence in context: A191779 A156511 A166996 * A055470 A156524 A194027
Adjacent sequences: A133292 A133293 A133294 * A133296 A133297 A133298
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KEYWORD
| nonn
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AUTHOR
| Michel Balazard (balazard(AT)math.u-bordeaux1.fr), Oct 17 2007, Oct 19 2007
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