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A101996 8n-1 such that 4n-1, 8n-1, 16n-1, 32n-1 and 64n-1 are primes. 5
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; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..26.

EXAMPLE

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.

CROSSREFS

Cf. A101789. Cf. A101994, A101995, A101997, A101998, A101999.

Sequence in context: A158307 A013325 A179678 * A237017 A097570 A185641

Adjacent sequences:  A101993 A101994 A101995 * A101997 A101998 A101999

KEYWORD

easy,nonn

AUTHOR

Douglas Stones (dssto1(AT)student.monash.edu.au), Dec 23 2004

EXTENSIONS

Corrected by T. D. Noe, Nov 15 2006

STATUS

approved

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Last modified April 10 22:05 EDT 2021. Contains 342856 sequences. (Running on oeis4.)