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A093490
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a(0) = 2; for n > 0, a(n) is the least prime of the form k*n*a(n-1) - 1.
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1
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2, 3, 5, 29, 347, 3469, 41627, 1748333, 27973327, 1007039771, 70492783969, 7754206236589, 2605413295493903, 6503111585552781887, 4825308796480164160153, 1881870430627264022459669
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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EXAMPLE
| a(3) = 29, a(4) = 3*4*29 - 1 = 347.
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PROG
| (PARI) v=[2]; for(n=2, 20, k=1; while(!isprime(p=k*(n-1)*v[n-1]-1), k++); v=concat(v, p)); v - Rick L. Shepherd (rshepherd2(AT)hotmail.com), Jan 31 2005
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CROSSREFS
| Cf. A103342 (corresponding k values), A091771, A091879.
Sequence in context: A084599 A062167 A107451 * A073309 A110389 A083388
Adjacent sequences: A093487 A093488 A093489 * A093491 A093492 A093493
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KEYWORD
| nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 16 2004
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EXTENSIONS
| More terms from Rick L. Shepherd (rshepherd2(AT)hotmail.com) and Ryan Propper (rpropper(AT)stanford.edu), Jan 31 2005
Edited by N. J. A. Sloane (njas(AT)research.att.com) at the suggestion of Andrew Plewe, May 14 2007
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