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A092051 Numbers n such that prime(n) == -9 (mod n). 10
1, 2, 4, 5, 17, 19, 20, 22, 23, 64, 1055, 1057, 6463, 251708, 251743, 251744, 251755, 251758, 27067054, 27067118, 27067138, 69709681, 69709703, 69709712, 145935689366 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

MATHEMATICA

NextPrim[n_] := Block[{k = n + 1}, While[ !PrimeQ[k], k++ ]; k]; p = 1; Do[ If[ Mod[p = NextPrim[p], n] == n - 9, Print[n]], {n, 1, 10^9}]

CROSSREFS

Cf. A023151, A045924, A092044, A092045, A092046, A092047, A092048, A092049, A092050, A092052.

Sequence in context: A038757 A062549 A169602 * A065063 A056440 A101843

Adjacent sequences:  A092048 A092049 A092050 * A092052 A092053 A092054

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 18 2004

EXTENSIONS

Corrected by Mohammed Bouayoun (bouyao(AT)wanadoo.fr), Feb 20 2004

a(25) from Robert G. Wilson v (rgwv(at)rgwv.com), Feb 22 2006

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Last modified February 17 16:00 EST 2012. Contains 206050 sequences.