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Search: id:A101996
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| A101996 |
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8n-1 such that 4n-1, 8n-1, 16n-1, 32n-1 and 64n-1 are primes. |
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6
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| 359, 107279, 126839, 253679, 254279, 508559, 592199, 681839, 1214639, 1621079, 2138399, 2245319, 3197399, 3243239, 3641999, 3732479, 3825359, 3841919, 4090679, 4276799, 4315799, 4490639, 4556159, 4714439, 5335559, 5731679
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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4*45-1=179, 8*45-1=359, 16*45-1=719, 32*45-1=1439 and 64*45-1=2879 are primes, so the first entry is 359.
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CROSSREFS
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Cf. A101789. Cf. A101994, A101995, A101997, A101998, A101999.
Sequence in context: A054826 A101796 A142852 this_sequence A097570 A031966 A137487
Adjacent sequences: A101993 A101994 A101995 this_sequence A101997 A101998 A101999
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KEYWORD
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easy,nonn
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AUTHOR
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Douglas Stones (dssto1(AT)student.monash.edu.au), Dec 23 2004
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EXTENSIONS
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Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 15 2006
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