A096064 Let p(k) = k-th prime; sequence gives primes q of the form q = k*p(k) + 1 for some k.

3, 7, 29, 79, 2137, 3391, 5437, 7603, 25849, 36373, 51059, 54101, 74357, 88327, 92033, 119089, 154387, 179743, 263063, 275813, 328093, 540577, 645529, 671299, 694333, 761713, 824951, 872281, 1133147, 1142809, 1190177, 1206767, 1442333

Offset

1,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

Example

29 is in the sequence because the fourth prime is 7 and 4 * 7 + 1 = 29.

Mathematica

Select[Table[Prime[n]*n + 1, {n, 455}], PrimeQ]

Prog

(Magma) [a: n in [0..500] | IsPrime(a) where a is NthPrime(n)*n + 1 ]; // Vincenzo Librandi, Oct 05 2012

Crossrefs

Cf. A086172, A096065.

Sequence in context: A148761 A186732 A148762 * A148763 A148764 A148765

Adjacent sequences: A096061 A096062 A096063 * A096065 A096066 A096067

Keyword

nonn

Author

Alonso del Arte, Jul 20 2004

Extensions

Offset changed from 0 to 1 by Vincenzo Librandi, Oct 05 2012

Status

approved