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Search: id:A093552
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| A093552 |
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a(n) is the smallest number m such that m-k is product of k+1 primes for k=0,1,2,...,n. |
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4
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OFFSET
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0,1
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COMMENT
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Each term of this sequence is prime.a(6) is greater than 44*10^8.
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EXAMPLE
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a(5)=392279 because 392279 is prime; 392279-1=2*196139;
392279-2=3*229*571; 392279-3=2*2*281*349; 392279-4=5*5*13*17*71;
392279-5=2*3*3*19*31*37; 392279 is the smallest number m such
that m-k is product of k+1 primes for k=0,1,2,3,4& 5.
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CROSSREFS
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Cf. A072664, A072875, A086560.
Sequence in context: A041729 A078665 A163666 this_sequence A112266 A060808 A099658
Adjacent sequences: A093549 A093550 A093551 this_sequence A093553 A093554 A093555
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KEYWORD
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nonn
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AUTHOR
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Farideh Firoozbakht (mymontain(AT)yahoo.com), Apr 14 2004
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