A083810 a(n) = f^(n) (n), where f(n) is the smallest prime == 1 mod n (cf. A034694).

2, 7, 59, 47, 1699, 22697, 1180247, 29962733, 1038006719, 411043979, 295951664941, 439109442193, 84309012901073, 1566310690709, 399766531626388768981, 71604415998366709, 180443128315884106709

Offset

1,1

Comments

Main diagonal of A083809.

Links

Table of n, a(n) for n=1..17.

Prog

(PARI 2.1.3) for(n=1, 18, q=n; for(k=1, n, m=1; while(!isprime(p=m*q+1, 1), m++); q=p); print1(q, ", "))

Crossrefs

Cf. A034694, A083809.

Sequence in context: A120952 A270404 A270315 * A215209 A274600 A352625

Adjacent sequences: A083807 A083808 A083809 * A083811 A083812 A083813

Keyword

nonn

Author

Amarnath Murthy, May 08 2003

Extensions

Edited, corrected and extended by Klaus Brockhaus, May 13 2003

Status

approved