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A085871
a(1) = 2, a(2n) = smallest prime of the form k*a(2n-1) +1, k >1, a(2n+1) = smallest prime of the form r*a(2n)-1, r >1.
1
2, 5, 19, 191, 4201, 67217, 403301, 4839613, 38716903, 464602837, 27876170219, 55752340439, 4014168511607, 24085011069643, 578040265671431, 18497288501485793, 73989154005943171, 2663609544213954157
OFFSET
1,1
CROSSREFS
Cf. A085872.
Sequence in context: A284860 A108799 A193674 * A202422 A212269 A359116
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jul 07 2003
EXTENSIONS
More terms from Ray Chandler, Jul 08 2003
STATUS
approved