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A071580
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Smallest prime == 1 mod (a(n-1)*a(n-2)*...*a(1)) for n>=2 with a(1)=2.
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OFFSET
| 1,1
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COMMENTS
| a(6) through a(13), with digit lengths 8, 16, 32, 63, 127, 253, 507 and 1012, respectively, have been certified prime with Primo.
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PROG
| (PARI) terms=13; v=vector(terms); p=2; v[1]=p; for(n=2, terms, q=p+1; while(!isprime(q), q=q+p); v[n]=q; p=p*q); v
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CROSSREFS
| Cf. A061092.
Sequence in context: A000058 A075442 A082993 * A014546 A068393 A032053
Adjacent sequences: A071577 A071578 A071579 * A071581 A071582 A071583
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KEYWORD
| nonn
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AUTHOR
| Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 31 2002
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